Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Most loved for its masses of brilliant red bottlebrush flowers in spring and summer and its tough, adaptable evergreen foliage.
Regular price
$180.00
Sale price
$180.00
Regular price
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Pot size
Available batches
- Current height guide
- Please enquire
- Pot size
- 30cm/33cm
Approximate only. Minimum height important? Confirm with us.
Height guide & disclaimer
Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons. No guarantee is given that supplied plants will fall within the stated range. If minimum heights are required, you must confirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal and is not grounds for return, refund, replacement, or compensation.
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About this tree
About this tree
- Mature height
- 2m to 4m (approx.)
- Mature width
- 1.5m to 2m
Callistemon citrinus 'Harkness' produces some of the largest and most brilliantly red bottlebrush flowers of any Callistemon, carried heavily through spring and summer with sporadic flushes at other times. The flowers are worked constantly by honeyeaters and native bees.
'Harkness' grows to 2 to 4 metres tall and 1.5 to 2 metres wide at 40 to 60 centimetres per year, holding a dense upright habit that fills in from the base. It works as an informal screen along a boundary, as a mass planting in civic and rural landscapes, or as a single specimen in a large pot.
This Australian native is frost hardy, surviving heavy and frequent frost without damage, and tolerates poor soils, extended dry and periodic wet feet once established. It grows in full sun and needs little beyond a light prune after flowering to stay dense.
Frequently Asked Questions
About Callistemon citrinus 'Harkness'
How tall does Callistemon 'Harkness' grow?
'Harkness' grows to 2 to 4 metres tall and 1.5 to 2 metres wide with a dense upright habit. It can be held lower with regular trimming after flowering.
When does 'Harkness' flower?
The main flush is through spring and summer, with sporadic flowering at other times of year. 'Harkness' carries notably large, deep red bottlebrush flowers.
Does 'Harkness' attract birds?
Yes. The nectar-rich flowers are heavily worked by honeyeaters, lorikeets and native bees, and the dense branching gives shelter to small birds.
Is Callistemon 'Harkness' frost hardy?
Yes. It is frost hardy and survives heavy and frequent frost without damage, which suits it to inland tablelands districts as well as coastal gardens.
Can 'Harkness' be used as a hedge?
Yes. Plant 1 to 1.5 metres apart for a dense informal screen. It responds well to trimming immediately after flowering, which keeps it compact and encourages the next flush.
What soil does 'Harkness' need?
It is highly adaptable, tolerating poor soils, clay, extended dry and periodic waterlogging once established. Free-draining soil gives the best growth but is not essential.
Can 'Harkness' be grown in a pot?
Yes. It performs well in large pots in full sun. Use a quality potting mix, water regularly through summer, and prune after flowering to keep the shape tight.
Mature height & width
Mature height & width
- Mature height
- 2m to 4m (approx.)
- Mature width
- 1.5m to 2m
Pot sizes & dimensions
Pot sizes & dimensions
| Pot / bag size | Width | Depth |
|---|---|---|
| 30cm Pot | 33cm | 30cm |
| 40cm/45L Pot | 44cm | 41.5cm |
| 50cm Pot / 70L Pot | 55cm | 41.8cm |
| 100L Bag | 50.6cm | 52.8cm |
| 150L Bag | 66cm | 55cm |
| 200L Bag | 71.5cm | 60.5cm |
| 300L Bag | 88cm | 63.8cm |
| 400L Bag | 99cm | 66cm |
| 500L Bag | 122cm | 66cm |
| 750L Bag | 134cm | 69cm |
| 1000L Bag | 146.3cm | 71.5cm |
| 2000L Bag | 176cm | 82.5cm |
General planting reference from our existing size guide. Actual containers can vary by supplier and batch; confirm exact dimensions if required.
Delivery & pickup
Delivery & pickup
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Trade enquiries
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Enter the length of your boundary, then choose how closely you want to plant.
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Measure only the boundary you intend to plant—exclude gates and gaps. Spacing is centre to centre. Quantities are rounded up for one row, allowing roughly half the spacing at each end. Site conditions and pruning affect the final hedge.
About Callistemon citrinus 'Harkness'
Callistemon citrinus 'Harkness' produces some of the largest and most brilliantly red bottlebrush flowers of any Callistemon, carried heavily through spring and summer with sporadic flushes at other times. The flowers are worked constantly by honeyeaters and native bees.
'Harkness' grows to 2 to 4 metres tall and 1.5 to 2 metres wide at 40 to 60 centimetres per year, holding a dense upright habit that fills in from the base. It works as an informal screen along a boundary, as a mass planting in civic and rural landscapes, or as a single specimen in a large pot.
This Australian native is frost hardy, surviving heavy and frequent frost without damage, and tolerates poor soils, extended dry and periodic wet feet once established. It grows in full sun and needs little beyond a light prune after flowering to stay dense.
Frequently Asked Questions
About Callistemon citrinus 'Harkness'
How tall does Callistemon 'Harkness' grow?
'Harkness' grows to 2 to 4 metres tall and 1.5 to 2 metres wide with a dense upright habit. It can be held lower with regular trimming after flowering.
When does 'Harkness' flower?
The main flush is through spring and summer, with sporadic flowering at other times of year. 'Harkness' carries notably large, deep red bottlebrush flowers.
Does 'Harkness' attract birds?
Yes. The nectar-rich flowers are heavily worked by honeyeaters, lorikeets and native bees, and the dense branching gives shelter to small birds.
Is Callistemon 'Harkness' frost hardy?
Yes. It is frost hardy and survives heavy and frequent frost without damage, which suits it to inland tablelands districts as well as coastal gardens.
Can 'Harkness' be used as a hedge?
Yes. Plant 1 to 1.5 metres apart for a dense informal screen. It responds well to trimming immediately after flowering, which keeps it compact and encourages the next flush.
What soil does 'Harkness' need?
It is highly adaptable, tolerating poor soils, clay, extended dry and periodic waterlogging once established. Free-draining soil gives the best growth but is not essential.
Can 'Harkness' be grown in a pot?
Yes. It performs well in large pots in full sun. Use a quality potting mix, water regularly through summer, and prune after flowering to keep the shape tight.
- Foliage
Evergreen (foliage year round)
- Position
- Form
- Use
- Mature height
- 2m to 4m (approx.)
- Mature width
- 1.5m to 2m
Planting Information
Recommended Planting Spacing For Your Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is expected to grow 40cm to 60cm per year (approx.).
Long Term Care For Your Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Planting Your Callistemon citrinus 'Harkness' – Harkness Bottlebrush in Different Soil
Uses in my Garden
Uses in my Garden
Callistemon citrinus 'Harkness' – Harkness Bottlebrush works in an:
Is Callistemon citrinus 'Harkness' – Harkness Bottlebrush Evergreen or Deciduous?
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is an Evergreen (foliage year round) Tree
Mature Height & Width
Mature Height: 2m to 4m (approx.)
Mature Width: 1.5m to 2m
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is expected to grow 40cm to 60cm per year (approx.).
Growth Rate of Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is expected to grow 40cm to 60cm per year (approx.).
They are considered to have a:
Frost Tolerance & Ideal Climate to plant Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Is Callistemon citrinus 'Harkness' – Harkness Bottlebrush frost tolerant?
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is Frost Hardy – Survives heavy and frequent frost without damage.
Does Callistemon citrinus 'Harkness' – Harkness Bottlebrush Flower?
Callistemon citrinus ‘Harkness’ produces brilliant red bottlebrush flowers from late spring through summer, often with a lighter flush in autumn. These vivid, cylindrical blooms sit prominently at the ends of the branches, creating a bold and highly ornamental seasonal display.
Does Callistemon citrinus 'Harkness' – Harkness Bottlebrush flower?
Flowering Period:
Flower Type:
Flower Colour:
Red
Is Callistemon citrinus 'Harkness' – Harkness Bottlebrush an Australian Native Tree?
Yes
Callistemon citrinus 'Harkness' – Harkness Bottlebrush is Native to Eastern Australia, particularly New South Wales and Victoria, where Callistemon citrinus naturally grows along streams, wetlands, and open forests.
What is the Wildlife Value of Callistemon citrinus 'Harkness' – Harkness Bottlebrush ?
Its nectar-rich flowers attract honeyeaters, native bees, butterflies and beneficial insects, while the dense, evergreen foliage provides excellent shelter for small birds. The long flowering period offers sustained support for pollinators throughout the warmer months.
How much Sunlight does Callistemon citrinus 'Harkness' – Harkness Bottlebrush need?
Callistemon citrinus 'Harkness' – Harkness Bottlebrush will thrive best in:
Preferred Soil?
Callistemon citrinus ‘Harkness’ performs best in well-drained sandy or loam soils and prefers slightly acidic to neutral conditions. It tolerates nutrient-poor soils but may struggle in heavy clay or waterlogged positions unless improved with organic matter and coarse material to increase drainage. Keep soil evenly moist during establishment, then reduce watering as it matures and develops excellent drought resilience.
Is Callistemon citrinus 'Harkness' – Harkness Bottlebrush Drought Tolerant?
Is Callistemon citrinus 'Harkness' – Harkness Bottlebrush Drought tolerant?
As a young tree it benefits from regular watering, but once established Callistemon ‘Harkness’ develops excellent drought tolerance. It performs reliably in hot, dry and coastal environments, maintaining strong flowering and dense foliage with minimal supplementary watering.
Frequently Asked Questions
Frequently Asked Questions
Compare sizes side by side
30cm/33cm
Enquire for current heights
40cm/45L
Approx. 1.2m – 1.5m
Heights are approximate and vary between individual trees.
Callistemon citrinus 'Harkness' is loved for its masses of brilliant red bottlebrush flowers in spring and summer and its tough, adaptable evergreen foliage.
We take pride in supplying A+ grade advanced trees. When stock at our farm is not yet ready, we work with our trusted trade suppliers to source the best available trees for your garden.
Plant Your Callistemon citrinus 'Harkness' – Harkness Bottlebrush With:
Enriched Planting Mix (AO Certified)
Enriched Planting Mix is a certified organic blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent, bagged in 30L. It is built to be dug through existing garden soil at planting time rather than used on its own, and the gypsum is what sets it apart from a plain compost.
Gypsum helps break up heavy clay so water and roots can move through it, while the compost and manure return organic matter and nutrient to tired ground. The coarse bark holds structure and keeps air around the root zone, and the wetting agent keeps moisture in the soil longer after rain or watering.
Use it when planting trees, shrubs, roses, fruit trees and exotic garden plants, particularly into clay. Dig a hole twice the width of the pot and 7 centimetres deeper, then mix roughly one third planting mix through the excavated soil. Spread 7 centimetres of that improved soil in the base before setting the plant in.
Frequently Asked Questions
About Enriched Planting Mix
What is Enriched Planting Mix made from?
It is a blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent. Each part has a job. The compost and manure supply organic matter and nutrient, the gypsum works on clay structure, the bark keeps air around the roots and the wetting agent holds moisture in the soil.
What plants is it suitable for?
It suits exotic garden plants, including roses, ornamental and deciduous trees, fruit trees, shrubs and perennials, and it earns its keep most on heavy clay sites. It is a planting mix rather than a potting mix, so its job is improving soil at planting time. Phosphorus sensitive natives are the one clear exception.
Is it safe for natives?
No, not for the phosphorus sensitive ones. The composted animal manure in this blend lifts phosphorus well above what Proteaceae such as Banksia, Grevillea, Hakea and Protea will tolerate, and the result can be leaf burn, dieback and plant death. Use the Native Potting Mix for those species, or plant them into unimproved local soil.
Is it certified organic?
Yes. It is a certified organic product with no chemical additives, which is why the manure and compost in it are fully composted rather than raw. That makes it sound around fruit trees and vegetable beds, and it means you are adding genuine organic matter to your soil rather than a synthetic conditioner.
How much do I need?
Work on roughly one third planting mix to two thirds of the soil you dug out of the hole. For a shrub out of a 200 millimetre pot that is only a few litres. An advanced tree going into a large hole will take considerably more. Judge the quantity by the volume of the hole rather than the size of the plant.
Can I use it in pots?
It is not a potting mix and should not be used on its own in a container. The blend is designed to be diluted through garden soil, and used straight in a pot it holds too much water and settles badly. For containers, reach for a premium potting mix, or the native mix if you are potting natives.
Does it need to be watered in?
Yes. Water the plant well several hours before you plant it, then water thoroughly again once the hole is backfilled and the soil firmed down. That first deep watering settles the improved soil around the root ball and drives out air pockets. Keep the water up over the first few months while the roots establish.
Enriched Planting Mix (AO Certified)
Enriched Planting Mix (AO Certified)
Enriched Planting Mix is a certified organic blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent, bagged in 30L. It is built to be dug through existing garden soil at planting time rather than used on its own, and the gypsum is what sets it apart from a plain compost.
Gypsum helps break up heavy clay so water and roots can move through it, while the compost and manure return organic matter and nutrient to tired ground. The coarse bark holds structure and keeps air around the root zone, and the wetting agent keeps moisture in the soil longer after rain or watering.
Use it when planting trees, shrubs, roses, fruit trees and exotic garden plants, particularly into clay. Dig a hole twice the width of the pot and 7 centimetres deeper, then mix roughly one third planting mix through the excavated soil. Spread 7 centimetres of that improved soil in the base before setting the plant in.
Frequently Asked Questions
About Enriched Planting Mix
What is Enriched Planting Mix made from?
It is a blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent. Each part has a job. The compost and manure supply organic matter and nutrient, the gypsum works on clay structure, the bark keeps air around the roots and the wetting agent holds moisture in the soil.
What plants is it suitable for?
It suits exotic garden plants, including roses, ornamental and deciduous trees, fruit trees, shrubs and perennials, and it earns its keep most on heavy clay sites. It is a planting mix rather than a potting mix, so its job is improving soil at planting time. Phosphorus sensitive natives are the one clear exception.
Is it safe for natives?
No, not for the phosphorus sensitive ones. The composted animal manure in this blend lifts phosphorus well above what Proteaceae such as Banksia, Grevillea, Hakea and Protea will tolerate, and the result can be leaf burn, dieback and plant death. Use the Native Potting Mix for those species, or plant them into unimproved local soil.
Is it certified organic?
Yes. It is a certified organic product with no chemical additives, which is why the manure and compost in it are fully composted rather than raw. That makes it sound around fruit trees and vegetable beds, and it means you are adding genuine organic matter to your soil rather than a synthetic conditioner.
How much do I need?
Work on roughly one third planting mix to two thirds of the soil you dug out of the hole. For a shrub out of a 200 millimetre pot that is only a few litres. An advanced tree going into a large hole will take considerably more. Judge the quantity by the volume of the hole rather than the size of the plant.
Can I use it in pots?
It is not a potting mix and should not be used on its own in a container. The blend is designed to be diluted through garden soil, and used straight in a pot it holds too much water and settles badly. For containers, reach for a premium potting mix, or the native mix if you are potting natives.
Does it need to be watered in?
Yes. Water the plant well several hours before you plant it, then water thoroughly again once the hole is backfilled and the soil firmed down. That first deep watering settles the improved soil around the root ball and drives out air pockets. Keep the water up over the first few months while the roots establish.
Enriched Planting Mix (AO Certified)
Acmena smithii 'Sublime' Lilly Pilly
Acmena smithii 'Sublime' Lilly Pilly
Acmena smithii 'Sublime' is a compact evergreen lilly pilly with vivid lime-green new growth that matures to deep glossy green. Its naturally upright columnar habit delivers dense coverage from base to tip, making it one of the cleanest, lowest-maintenance screening plants available.
Sublime grows to around 5 metres tall and just 2-3 metres wide, holding a tight column with minimal pruning. The narrow form suits tight boundary lines, pool surrounds, and structured hedges. A non-invasive root system and strong psyllid resistance make it a reliable, well-behaved alternative to more vigorous screening species.
Sublime tolerates clay soils, light frost, and moderate drought once established. It thrives across temperate to subtropical regions of NSW, QLD, VIC and parts of SA and WA, in full sun to part shade.
Frequently Asked Questions
About Acmena smithii 'Sublime' Lilly Pilly
How tall does Sublime Lilly Pilly grow?
Sublime grows to around 5 metres tall and just 2-3 metres wide, with a naturally upright columnar form.
How fast does Sublime grow?
Sublime is fast-growing, adding 50-80cm per year once established.
Is Sublime psyllid resistant?
Yes. Acmena smithii 'Sublime' has strong psyllid resistance, so it holds clean, unblemished foliage where older lilly pilly types can suffer pimple-like leaf damage.
Is Sublime good for hedging and screening?
Yes. The dense columnar habit makes Sublime ideal for narrow hedges, screens, and pool surrounds where clean form is needed.
Are Sublime roots invasive?
No. Sublime has a non-invasive root system, making it a safer choice near paving, pools, and boundaries than more vigorous screening species.
How far apart should I plant Sublime for a hedge?
Plant 60-80cm apart for a dense formal hedge, or 1 metre for a more relaxed screen.
Where does Sublime grow best in Australia?
Sublime thrives across temperate to subtropical regions of NSW, QLD, VIC and parts of SA and WA, tolerating clay soils, light frost, and moderate drought once established.
Acmena smithii 'Sublime' Lilly Pilly
Rhaphiolepis indica 'Oriental Pearl'
Rhaphiolepis indica 'Oriental Pearl'
Rhaphiolepis indica 'Oriental Pearl' is one of the best compact evergreen shrubs available for low hedges and borders. The glossy dark green foliage forms a naturally tidy rounded mound, and clusters of soft white to pale pink flowers appear from late winter into spring, followed by small dark berries.
Oriental Pearl grows to just 1-1.5 metres tall and wide, holding a neat uniform shape with minimal pruning. The compact form makes it ideal for low clipped hedges, narrow borders, mass plantings, and container planting, particularly where space is limited and a formal finish is wanted.
Oriental Pearl thrives across most Australian climates in full sun to part shade, tolerating heat, coastal exposure, salt spray, light frost, and a wide range of well-drained soils. It is both drought tolerant and salt tolerant once established, making it a reliable low-maintenance choice for coastal and low-water gardens.
Frequently Asked Questions
About Rhaphiolepis indica 'Oriental Pearl'
How tall does Oriental Pearl Rhaphiolepis grow?
Rhaphiolepis indica 'Oriental Pearl' grows to 1-1.5 metres tall and wide, forming a naturally compact dense mound.
How fast does Oriental Pearl grow?
Oriental Pearl has a moderate growth rate of 20-40cm per year once established.
Is Oriental Pearl good for low hedges?
Yes. Oriental Pearl is one of the best compact evergreen shrubs for low hedges, borders, and mass plantings, holding a tidy rounded form with minimal pruning.
When does Oriental Pearl flower?
Oriental Pearl produces clusters of soft white to pale pink flowers from late winter into spring, followed by small dark berries.
Is Oriental Pearl drought and salt tolerant?
Yes. Oriental Pearl is both drought tolerant and salt tolerant once established, making it well suited to coastal gardens and low-water landscapes.
How far apart should I plant Oriental Pearl for a low hedge?
Plant 50-70cm apart for a continuous low hedge, or 80cm-1 metre for a softer informal border.
Where does Oriental Pearl grow best in Australia?
Oriental Pearl thrives across most Australian climates in full sun to part shade, tolerating heat, coastal exposure, and a wide range of well-drained soils.
Rhaphiolepis indica 'Oriental Pearl'
Westringia fruticosa – Coastal Rosemary
Westringia fruticosa – Coastal Rosemary
Westringia fruticosa, Coastal Rosemary, is an Australian native evergreen shrub from the headlands and dunes of the east coast. It builds a dense rounded bush of fine grey green leaves held in whorls, with small white to pale lilac flowers. Despite the common name it is not the culinary herb.
Mature plants sit at 1.5 to 2 metres tall and 1.5 to 2 metres wide, growing 30 to 60 centimetres a year, and they clip smaller without complaint. Full sun to part shade and sharp drainage are the requirements. Salt wind, sandy soil, drought and light to moderate frost are all handled.
It is a standard on coastal projects, road verges, council garden beds and exposed banks that need erosion cover. Plant 1 to 1.5 metres apart for an informal screen, or 80 centimetres for a clipped hedge. A single plant fills a 40 to 50 centimetre pot on a courtyard or balcony.
Frequently Asked Questions
About Coastal Rosemary
What is Coastal Rosemary?
Westringia fruticosa is an Australian native evergreen shrub from the headlands and dunes of the east coast. It forms a dense rounded bush of fine grey green leaves held in whorls, with small white to pale lilac flowers. Despite the common name it is not culinary rosemary and is not used in cooking.
How big does Coastal Rosemary grow?
Mature plants reach 1.5 to 2 metres tall and 1.5 to 2 metres wide. It clips readily to smaller dimensions and is often maintained at around a metre as a hedge or a low mound. Growth is moderate, roughly 30 to 60 centimetres a year, so it holds a trimmed shape well.
Is Coastal Rosemary suitable for coastal positions?
It is one of the best shrubs available for exposed coastal work. It grows naturally on sea cliffs and copes with salt laden wind, sand and reflected heat. It is used constantly on beachfront reserves, dune stabilisation projects and seaside gardens where little else holds a tidy shape.
When does Coastal Rosemary flower?
The main flush is spring and summer, roughly September through February, with scattered flowering at other times of the year in mild districts. The flowers are small, white to pale lilac and sit among the foliage rather than above it. Clipped hedges flower less than plants left to grow informally.
How far apart should I plant Coastal Rosemary for a hedge?
Space plants 80 centimetres apart for a tight formal hedge, or 1 to 1.5 metres apart for a dense informal screen. On banks and batters used for erosion cover, 1 metre in a staggered grid gives full ground coverage within about two growing seasons.
Can Coastal Rosemary grow in pots?
Yes. A pot 40 to 50 centimetres wide suits a single plant for a courtyard, entry or balcony. Use a free draining mix, because the roots will not tolerate sitting wet. Container plants need watering more often than those in the ground, plus a light trim to hold their shape.
How do I prune and care for Coastal Rosemary?
Trim lightly two or three times a year, taking the soft new growth and avoiding cuts into bare old wood, which reshoots poorly. Water through the first summer, then only in extended dry spells. On most soils it needs no feeding at all, and it resents heavy watering and poor drainage.
Westringia fruticosa – Coastal Rosemary
Trachelospermum jasminoides Balls – Star Jasmine Balls
Trachelospermum jasminoides Balls – Star Jasmine Balls
Trachelospermum jasminoides 'Balls' is Star Jasmine grown and clipped into a dense evergreen sphere. The small glossy leaves sit tight on a woody framework, holding a clean rounded outline year round. White pinwheel flowers open in spring and carry a strong sweet scent right across a courtyard.
Ball specimens hold at about 1 to 1.5 metres tall and wide with light clipping. Full sun to part shade suits them, in any free draining soil. Growth is slow to moderate at 30 to 50 centimetres a year. They handle coastal exposure, light frost and dry spells once the roots are down.
Repeat them along a driveway, either side of an entry, or in pots on a terrace where a formal shape is wanted straight away. They read as structure in a planting scheme without the height of a hedge, and because the form is already trained, a new garden looks settled from the day it goes in.
Frequently Asked Questions
About Star Jasmine Balls
What are Star Jasmine Balls?
They are Trachelospermum jasminoides, the common Star Jasmine, grown and clipped into a dense evergreen sphere on a woody framework. Instead of climbing, the plant is trained into a self supporting rounded shape. The foliage is small, glossy and dark green, and the plant carries scented white flowers through spring.
How big do Star Jasmine Balls grow?
They hold at roughly 1 to 1.5 metres tall and 1 to 1.5 metres wide. Growth is slow to moderate at 30 to 50 centimetres a year, so a light clip once or twice a year keeps the ball tight at whatever size within that range suits the setting.
Do Star Jasmine Balls need sun or shade?
Full sun to part shade both work. Full sun gives the densest foliage and the heaviest flowering, while part shade produces slightly softer, more open growth and fewer flowers. Avoid deep shade, where the ball thins out and loses its outline. Morning sun with afternoon protection suits hot inland gardens.
Can Star Jasmine Balls be grown in pots?
Yes, and pots are one of the main uses. A container 50 to 60 centimetres wide with a quality free draining mix will hold a ball for years. Water more often than you would in the ground, especially in summer, and feed in spring and again in late summer. Refresh the mix every few years.
Are Star Jasmine Balls evergreen?
Yes, the foliage is held year round. The glossy dark green leaves take on a bronze tinge in cold weather and green up again in spring, but the plant never goes bare. That is what makes it useful as permanent structure in a scheme, particularly in winter once perennials have died back.
When do Star Jasmine Balls flower?
Flowering runs through spring, roughly September to November, and often carries into early summer in warmer districts. The white pinwheel flowers are small but produced in quantity, and the scent is strong on still evenings. Flowering is heaviest on plants in full sun that were not clipped hard just before bud set.
How do I prune and care for Star Jasmine Balls?
Clip lightly with hedging shears once after flowering and again in late summer if needed, taking only the new growth to keep the outline crisp. Water deeply in dry weather, mulch the base, and feed in early spring. The sap is milky and can irritate skin, so wear gloves when trimming.
Trachelospermum jasminoides Balls – Star Jasmine Balls
Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary
Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary
Westringia 'Wynyabbie Blue' is a hardy Australian native shrub grown for its lilac blue flowers, which are larger and more freely carried than those of the common white forms. Narrow grey green leaves sit in neat whorls on a dense rounded frame that holds its shape through the year.
Expect 1.5 to 2 metres in height and width at maturity, at 30 to 60 centimetres a year. Full sun brings the heaviest flowering, though part shade is accepted. Drainage matters above everything else, after which it takes salt wind, sandy or gravelly ground, drought and light to moderate frost.
Mass plantings on batters, median strips and coastal frontages are where it earns its keep, and it clips into a low hedge of about a metre without losing its flowering. Plant 1 to 1.5 metres apart for an informal screen. One plant fills a 40 to 50 centimetre pot neatly.
Frequently Asked Questions
About Wynyabbie Blue Coastal Rosemary
What is Westringia Wynyabbie Blue?
Westringia 'Wynyabbie Blue' is a hardy Australian native shrub grown for its lilac blue flowers, which are larger and more freely carried than those of the common white forms. Narrow grey green leaves sit in neat whorls on a dense rounded frame. It is evergreen and holds its structure all year.
How big does Wynyabbie Blue grow?
It reaches 1.5 to 2 metres tall and 1.5 to 2 metres wide at maturity, growing 30 to 60 centimetres a year. It clips comfortably to around a metre if you want a lower hedge, and it will hold that height indefinitely given two or three light trims a year.
When does Wynyabbie Blue flower?
From spring right through autumn, roughly September to May, with sporadic flowers in winter in mild districts. The lilac blue flowers open in flushes rather than all at once, so there is usually some colour on the plant. Flowering is heaviest in full sun on lean, well drained soil.
Is Wynyabbie Blue drought tolerant?
Yes. Once the roots are established it needs very little water and copes with extended dry periods, which is why it is used on unirrigated median strips and road verges. Drainage matters more than watering, since the plant will die in soggy ground long before it dies of thirst.
Is Wynyabbie Blue suitable for coastal positions?
It is. Salt laden wind, sandy soils and reflected heat are all handled, and it is planted routinely on foreshore reserves and beachside gardens. In very exposed frontal positions the plant stays lower and denser than it would inland, which generally suits the situation anyway.
How far apart should I plant Wynyabbie Blue for a hedge?
Use 80 centimetres between plants for a clipped formal hedge, or 1 to 1.5 metres for a dense informal screen. For mass planting on banks and median strips, 1 metre in a staggered pattern gives full coverage within about two growing seasons and shades out most weeds.
How do I prune and care for Wynyabbie Blue?
Trim lightly after each flowering flush, taking soft growth only. Cutting back into bare old wood leaves gaps that will not fill in, so stay on top of it rather than letting it get away. Water through the first summer, then rarely. Avoid rich soils and heavy fertiliser.
Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary
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Perfect Substitutes for Callistemon citrinus 'Harkness' – Harkness Bottlebrush
Callistemon citrinus 'Endeavour'
Callistemon citrinus 'Endeavour'
Callistemon citrinus 'Endeavour' flowers close to year round, with the heaviest flushes of vivid crimson bottlebrush spikes through spring and summer. Very few screening shrubs deliver this much colour for this long, and the nectar keeps honeyeaters in the garden through most seasons.
'Endeavour' grows to 2 to 4 metres tall and 2 to 3 metres wide at 40 to 80 centimetres per year, filling in densely from ground level. The aromatic evergreen foliage releases a lemon scent when crushed, and the plant works as an informal screen, a mass planting, or a specimen in a large pot.
This Australian native is frost hardy, surviving heavy and frequent frost without damage, and tolerates poor soils, extended dry and periodic waterlogging once established. It grows in full sun and needs nothing beyond a light trim after each flowering flush.
Frequently Asked Questions
About Callistemon citrinus 'Endeavour'
How tall does Callistemon 'Endeavour' grow?
'Endeavour' grows to 2 to 4 metres tall and 2 to 3 metres wide with a dense habit. It is easily held lower with a trim after flowering.
When does 'Endeavour' flower?
It flowers close to year round, with the heaviest flushes through spring and summer. This extended flowering is its main advantage over single-season bottlebrushes.
Does 'Endeavour' attract birds?
Yes. The nectar-rich crimson flowers are worked heavily by honeyeaters, lorikeets and native bees, and the near year-round flowering keeps them coming back.
Why does the foliage smell of lemon?
Callistemon citrinus takes its name from the citrus scent released when the leaves are crushed. The aromatic oils also make the foliage unattractive to most browsing animals.
Is 'Endeavour' frost hardy?
Yes. It is frost hardy and survives heavy and frequent frost without damage, suiting it to inland tablelands as well as coastal gardens.
How far apart should I plant 'Endeavour' for a screen?
Plant 1 to 1.5 metres apart for a dense informal screen, or 2 to 3 metres apart where each plant should read as an individual shrub.
Does 'Endeavour' tolerate wet ground?
Yes. Like most bottlebrushes it handles periodic waterlogging better than most screening shrubs, which makes it useful along drainage lines and in low-lying corners.
Callistemon citrinus 'Endeavour'
Callistemon viminalis
Callistemon viminalis
Callistemon viminalis carries masses of vivid red bottlebrush flowers on gracefully weeping branches, and flowers heavily enough through spring and summer to colour an entire boundary. It is the classic weeping bottlebrush and among the most reliable nectar trees in Australian gardens.
Callistemon viminalis grows to 4 to 8 metres tall and 4 to 5 metres wide at 50 centimetres to 1 metre per year, which is fast. It can be run as a tall informal screen, lifted to a single trunk as a weeping feature tree, or mass planted for civic and rural screening.
This Australian native is frost hardy, surviving heavy and frequent frost without damage, and tolerates poor soils, extended dry and periodic waterlogging once established. It grows in full sun and needs only a trim after flowering to stay dense.
Frequently Asked Questions
About Callistemon viminalis
How big does Callistemon viminalis grow?
It reaches 4 to 8 metres tall and 4 to 5 metres wide, developing a weeping habit with age. It can be maintained as a large shrub or trained to a single trunk as a small tree.
When does Callistemon viminalis flower?
The heaviest flushes come through spring and summer, with sporadic flowering at other times of year. Flowering is dense enough to cover much of the canopy.
How fast does the weeping bottlebrush grow?
Fast, at 50 centimetres to 1 metre per year, which makes it one of the quicker native options for establishing a screen or feature tree.
Does Callistemon viminalis attract birds?
Yes. The nectar-rich red flowers are heavily worked by honeyeaters, lorikeets and native bees, and the dense weeping branching shelters small birds.
Is Callistemon viminalis frost hardy?
Yes. It is frost hardy and survives heavy and frequent frost without damage, suiting it to inland tablelands as well as coastal gardens.
Does it tolerate wet ground?
Yes. Callistemon viminalis naturally occurs along watercourses and handles periodic waterlogging better than most screening trees.
How far apart should I plant it for a screen?
Plant 2 to 3 metres apart for a dense informal screen, or 4 to 5 metres apart as individual weeping feature trees.
Callistemon viminalis
Melaleuca linariifolia (Snow in Summer)
Melaleuca linariifolia (Snow in Summer)
Melaleuca linariifolia, sold as Snow in Summer, is an evergreen Australian native with fine linear foliage and a neat rounded crown. In summer the whole canopy disappears under fluffy white flowers, which is where the name comes from. Older stems develop soft white papery bark that peels away in sheets.
In garden use it holds around 6 to 10 metres tall and 4 to 6 metres wide, growing 30 to 60 centimetres a year, though a tree in deep soil with plenty of water will go taller over time. Full sun to part shade suits it, and it takes wet ground, drought once established and light to moderate frost.
It works as a feature in front gardens, as an informal screen at 1 to 1.5 metres apart, and in swales and stormwater basins where the soil stays damp. Bees and honeyeaters use the flowers heavily. The white summer display arrives when very little else in an Australian garden is out.
Frequently Asked Questions
About Snow in Summer
What is Snow in Summer?
Snow in Summer is the common name for Melaleuca linariifolia, an evergreen Australian native shrub or small tree. It has fine linear willow like foliage, a rounded symmetrical crown and soft white papery bark on older stems. In summer it produces dense fluffy white flowers over the whole canopy, hence the name.
How big does Snow in Summer grow?
In garden and landscape use it holds around 6 to 10 metres tall and 4 to 6 metres wide, which is the size most planting plans are built around. In deep, moist soil and left completely unpruned it can grow taller over many years, so allow room or plan on a light annual trim.
When does it flower?
Flowering is in summer, mainly November through January, and it is heavy enough to cover the foliage completely. The flowers are white and fluffy, held in dense spikes along the outer growth. The display lasts several weeks, then the spent flowers dry off and small woody capsules form along the stems.
Does it need sun or shade?
Full sun gives the densest crown and the heaviest flowering. It grows happily in part shade, particularly morning shade with afternoon sun, but flowering will be lighter and the habit more open. It is not a plant for deep shade. Sheltered or exposed sites both work, since the fine foliage sheds wind easily.
Does it have invasive roots?
The roots are not aggressive in the way a willow or a fig is, but the species naturally grows along creek lines and will seek out moisture. Keep it 3 to 4 metres clear of drainage lines, old clay pipes and slab edges. In open garden beds and street verges it causes no real trouble.
Will it grow in wet or poorly drained soil?
Yes, better than most trees of its size. It occurs naturally on creek flats and damp ground and tolerates periods of waterlogging, which is why it is used in swales, rain gardens and stormwater basins. It is equally happy on drier ground once established, so it suits sites that swing between the two.
How do I prune and care for Snow in Summer?
Prune straight after the summer flowering, tipping the outer growth to keep the crown dense and compact. Avoid cutting into bare old wood on a mature plant. Water regularly through the first summer, then only in long dry spells. Feed with a low phosphorus native fertiliser in spring if growth looks tired.
Melaleuca linariifolia (Snow in Summer)
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