Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary - Evergreen Trees Direct

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

$250.00

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Size: 40cm

40cm

Current Stock Height Guides

40cm: Enquire within for height guide information.

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 mustconfirm 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.

Mature Height & Width

Mature Height: 1.5m to 2m

Mature Width: 1m to 1.5m

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is expected to grow 0.3m to 0.6m per year.

Root Ball Dimensions

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

30cm Pot: 33cm (W) × 30cm (D)
40cm/45L Pot: 44cm (W) × 41.5cm (D)
50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
100L Bag: 50.6cm (W) × 52.8cm (D)
150L Bag: 66cm (W) × 55cm (D)
200L Bag: 71.5cm (W) × 60.5cm (D)
300L Bag: 88cm (W) × 63.8cm (D)
400L Bag: 99cm (W) × 66cm (D)
500L Bag: 122cm (W) × 66cm (D)
750L Bag: 134cm (W) × 69cm (D)
1000L Bag: 146.3cm (W) × 71.5cm (D)
2000L Bag: 176cm (W) × 82.5cm (D)

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Email: sales@evergreentrees.com.au

Phone: (03) 7042 3318

About Your New 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.

Enriched Planting Mix (AO Certified)

$21.95

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.

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Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

Screening or Privacy
Feature Tree
Council or Civic Landscapes

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary works in an:

Australian Native Garden – celebrates local plants with natural character.
Coastal Garden – relaxed, seaside feel with hardy, textural plants.
Formal Garden – structured, symmetrical design with clipped shapes.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.
Modern Garden – sleek, minimal, and design-led planting.

Is Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary Evergreen or Deciduous?

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is an Evergreen (foliage year round) Tree

Mature Height & Width

Mature Height: 1.5m to 2m

Mature Width: 1m to 1.5m

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is expected to grow 0.3m to 0.6m per year.

Growth Rate of Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is expected to grow 0.3m to 0.6m per year.

They are considered to have a:

Medium Growth Rate

Frost Tolerance & Ideal Climate to plant Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

Is Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary frost tolerant?

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is Frost Tolerant – Can handle light to moderate frost once established.

Does Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary Flower?

Westringia ‘Wynyabbie Blue’ produces masses of soft lilac-blue flowers throughout most of the year, with peak displays in spring and summer. The blooms stand out against its fine grey-green foliage, creating a light, airy and highly ornamental seasonal show.

Does Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary flower?

Yes - Flowers

Flowering Period:

Spring
Summer
Autumn
Sporadic

Flower Type:

Clustered
Pollinator-attracting

Flower Colour:

Not Applicable

Is Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary an Australian Native Tree?

Yes

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is Native to Cultivar of Westringia fruticosa (Coastal Rosemary), native to coastal New South Wales and Queensland.

What is the Wildlife Value of Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary ?

Its small tubular flowers provide a valuable nectar source for native bees, hoverflies and other beneficial pollinators, while the dense, compact foliage offers shelter for small birds. This makes it an excellent shrub for enhancing biodiversity in coastal and inland gardens.

How much Sunlight does Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary need?

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary will thrive best in:

Full Sun
Part Shade

Preferred Soil?

Westringia ‘Wynyabbie Blue’ performs best in well-drained sandy or loam soils with an acidic to neutral pH. It will tolerate poorer coastal sands provided drainage remains free-flowing. Avoid heavy clay or waterlogged soils unless significantly improved, as these conditions can lead to root decline. Keep the soil evenly moist during establishment, then reduce watering as it matures and develops strong natural drought resistance.

Is Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary Drought Tolerant?

Is Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary Drought tolerant?

As a young plant it benefits from regular watering, especially through its first summer. Once established, Westringia ‘Wynyabbie Blue’ shows excellent drought tolerance and thrives in dry, exposed conditions, retaining its shape and foliage density with minimal supplementary watering.

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How To Plant Your Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

Site: Choose a well-drained position in full sun to part shade with room for the canopy to develop.

Soil preparation: Enrich the planting area with quality compost and aged manure for a strong establishment phase.

Hole: Dig twice as wide as the root ball and the same depth.

Planting: Position level with the surrounding soil, backfill gently, firm in, then water deeply to settle the roots.

Recommended Planting Spacing For Your Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

Hedging and screening: 1 to 1.5 metres apart for a dense informal screen, or 80 centimetres apart for a tighter formal hedge.

Pot or container: A 40 to 50 centimetre wide pot suits a single specimen for courtyards, entries and balconies.

Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary is expected to grow 0.3m to 0.6m per year.

Medium Growth Rate

Long Term Care For Your Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary

Watering: Water deeply twice weekly through the first 12 months. Once established, this is drought tolerant and only needs a deep soak during extended dry periods.

Mulching: Apply a 3 to 5 centimetre layer of organic mulch over the root zone in the garden, or a thin layer of decorative pebbles in pots, keeping it clear of the trunk.

Pruning: Tip prune in late winter and again in summer to build dense growth. For a formal hedge, light shaping two to three times a year keeps lines crisp.

Fertilising: Apply a slow-release native blend in early spring and again in autumn. Avoid high-phosphorus formulations as a precaution.

Pest and disease: Hardy against most pests and diseases. Occasional inspection in warm humid conditions is all that's needed.

Planting Your Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary in Different Soil

Westringia Wynyabbie Blue Coastal Rosemary performs best in well-drained sandy loam or loam with a slightly acidic to neutral pH. Adaptable to a wide range of soils when drainage is improved with organic matter.

Sandy soil: Free-draining and ideal. Mulch well to maintain consistent moisture.

Clay soil: Improve drainage with gypsum and organic compost before planting.

Loam: The preferred soil for steady root development and consistent growth.

pH: Slightly acidic to neutral preferred. Mulch with composted leaf litter to maintain levels naturally.

Frequently Asked Questions

Q: How big does Wynyabbie Blue grow?
A: It typically grows 1.5–2 metres tall and wide, though it can be pruned smaller.

Q: Can it be grown near the coast?
A: Yes, it is highly tolerant of coastal exposure and sandy soils.

Q: How often does it flower?
A: It flowers heavily in spring and summer, with sporadic blooms throughout the year in warm climates.

Q: Is it good for hedging?
A: Yes, it clips well into formal or informal hedges and responds well to pruning.

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Westringia ‘Wynyabbie Blue’ – Wynyabbie Blue Coastal Rosemary