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Tristaniopsis laurina Water Gum

Tristaniopsis laurina Water Gum

Most loved for its glossy evergreen foliage and clusters of yellow summer flowers.

Regular price $200.00
Sale price $200.00 Regular price
Tax included. Shipping calculated at checkout.
Pot size
Available batches
Size: 30cm/33cm
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.

Quantity

Order multiple sizes

Mix pot sizes and batches in one order.

Size / batchEachQuantity
30cm/33cmApprox. height: Enquire$200.00
40cm/45LApprox. height: Enquire$320.00
100LApprox. height: Enquire$760.00
200LApprox. height: Enquire$1,490.00
400LApprox. height: Enquire$2,580.00

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.

Subtotal before discounts & delivery$0.00

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    About Tristaniopsis laurina

    Tristaniopsis laurina, the Water Gum, is a small to medium-sized Australian native valued for its compact form, glossy foliage, and attractive bark. The smooth bark sheds in patches in shades of grey, cream and orange, creating genuine year-round interest.

    Water Gum grows to 7-12 metres tall and 4-7 metres wide, with glossy lance-shaped leaves arranged densely along the branches to form a neat rounded canopy. Its manageable size, tidy form, and non-invasive roots make it a reliable choice for feature planting, street and avenue use, parks, and civic landscapes. Clusters of nectar-rich yellow star-shaped flowers appear in summer.

    Water Gum grows at a moderate rate and is well adapted to a wide range of soils, including those prone to occasional wetness. It is evergreen, hardy, and tolerant of light frost once established, performing best in full sun to part shade with only occasional pruning to shape when young. The flowers attract birds, bees, and other pollinators.

    Frequently Asked Questions

    About Tristaniopsis laurina Water Gum

    How tall does Water Gum grow?

    Tristaniopsis laurina grows to 7-12 metres tall and 4-7 metres wide with a dense rounded canopy, though it is often smaller in cultivation.

    How fast does Water Gum grow?

    Water Gum has a moderate growth rate of 40-60cm per year once established.

    Is Water Gum an Australian native?

    Yes. Tristaniopsis laurina is native to eastern Australia, naturally found along watercourses and rivers from QLD through to VIC.

    When does Water Gum flower?

    Water Gum produces clusters of fragrant yellow flowers in late spring and summer, typically November to January, attracting native bees and pollinators.

    Is Water Gum suitable for street planting?

    Yes. Water Gum is widely used by Australian councils as a street tree thanks to its tidy form, non-invasive roots, glossy foliage, and tolerance of urban conditions.

    What does the bark look like?

    Water Gum has attractive smooth bark that sheds in patches to reveal fresh cream, grey and tan tones beneath, adding year-round interest.

    Where does Water Gum grow best in Australia?

    Water Gum thrives across NSW, QLD, VIC and SA, tolerating coastal exposure, urban pollution, and a wide range of soils once established.

    Foliage

    Evergreen (foliage year round)

    Position
    • Full Sun
    • Part Shade
    Form
    • Rounded
    • Upright
    • Dense
    Use
    • Avenue Planting
    • Feature Tree
    • Shade Tree
    • Council or Civic Landscapes
    Mature height
    7m to 15m
    Mature width
    4m to 8m

    Planting Information

    How To Plant Your Tristaniopsis laurina Water Gum

    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 Tristaniopsis laurina Water Gum

    Feature tree: 3 to 4 metres apart to allow the full canopy and form to develop.

    Avenue planting: 3 metres apart for a uniform soft-textured avenue.

    Tristaniopsis laurina Water Gum is expected to grow 0.5m to 1m per year.

    • Medium Growth Rate

    Long Term Care For Your Tristaniopsis laurina Water Gum

    Watering: Water deeply twice weekly through the first 12 months. Once established, reduce to once weekly in dry periods. Mulch helps maintain consistent moisture.

    Mulching: Apply a 5 to 7 centimetre layer of organic mulch over the root zone, keeping it 5 centimetres clear of the trunk.

    Pruning: Minimal pruning required. Light tip prune in late winter to maintain shape, and remove lower branches as the tree grows to develop a clean feature trunk.

    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 scale or caterpillar inspection in warm humid conditions is all that's needed.

    Planting Your Tristaniopsis laurina Water Gum in Different Soil

    Tristaniopsis laurina 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.

    Uses in my Garden

    Uses in my Garden

    • Avenue Planting
    • Feature Tree
    • Shade Tree
    • Council or Civic Landscapes

    Tristaniopsis laurina Water Gum works in an:

    • Australian Native Garden – celebrates local plants with natural character.
    • Formal Garden – structured, symmetrical design with clipped shapes.
    • Modern Garden – sleek, minimal, and design-led planting.

    Is Tristaniopsis laurina Water Gum Evergreen or Deciduous?

    Tristaniopsis laurina Water Gum is an Evergreen (foliage year round) Tree

    Mature Height & Width

    Mature Height: 7m to 15m

    Mature Width: 4m to 8m

    Tristaniopsis laurina Water Gum is expected to grow 0.5m to 1m per year.

    Growth Rate of Tristaniopsis laurina Water Gum

    Tristaniopsis laurina Water Gum is expected to grow 0.5m to 1m per year.

    They are considered to have a:

    • Medium Growth Rate

    Frost Tolerance & Ideal Climate to plant Tristaniopsis laurina Water Gum

    Is Tristaniopsis laurina Water Gum frost tolerant?

    Tristaniopsis laurina Water Gum is Frost Tolerant – Can handle light to moderate frost once established.

    Does Tristaniopsis laurina Water Gum Flower?

    Tristaniopsis laurina produces clusters of small, bright yellow, lightly fragrant flowers through the warmer months, typically in summer. These blooms stand out against the glossy green foliage and add a soft seasonal display that enhances the tree’s ornamental appeal.

    Does Tristaniopsis laurina Water Gum flower?

    • Yes - Flowers

    Flowering Period:

    • Summer

    Flower Type:

    • Clustered
    • Pollinator-attracting

    Flower Colour:

    Yellow

    Is Tristaniopsis laurina Water Gum an Australian Native Tree?

    Yes

    Tristaniopsis laurina Water Gum is Native to Native to eastern Australia, from the NSW south coast through to Queensland, often found along streams and rivers.

    What is the Wildlife Value of Tristaniopsis laurina Water Gum ?

    Its lightly fragrant yellow flowers attract bees, hoverflies and other beneficial pollinators, while the dense evergreen canopy provides excellent shelter and foraging habitat for small birds. The combination of nectar, structure and year-round foliage makes the Water Gum a strong contributor to local biodiversity.

    How much Sunlight does Tristaniopsis laurina Water Gum need?

    Tristaniopsis laurina Water Gum will thrive best in:

    • Full Sun
    • Part Shade

    Preferred Soil?

    Tristaniopsis laurina performs best in well-drained loam or sandy loam soils with an acidic to neutral pH. It will also tolerate coastal sands if enriched with organic matter to support moisture retention. Avoid heavy clay or waterlogged areas unless significantly improved, as poor drainage can stress the root system and reduce vigour. Keep the soil evenly moist during establishment, then gradually reduce watering as the tree matures.

    Is Tristaniopsis laurina Water Gum Drought Tolerant?

    Is Tristaniopsis laurina Water Gum Drought tolerant?

    As a young tree it requires regular watering to establish properly. Once established, Tristaniopsis laurina develops good drought tolerance, performing reliably through warm, dry periods when planted in well-drained soil. It retains its dense evergreen canopy with minimal supplementary watering once mature.

    Frequently Asked Questions

    How tall does Water Gum grow?

    Tristaniopsis laurina grows to 8-15 metres tall and 5-8 metres wide with a dense rounded canopy, though it is often smaller in cultivation.

    How fast does Water Gum grow?

    Water Gum has a moderate growth rate of 40-60cm per year once established.

    Is Water Gum an Australian native?

    Yes. Tristaniopsis laurina is native to eastern Australia, naturally found along watercourses and rivers from QLD through to VIC.

    When does Water Gum flower?

    Water Gum produces clusters of fragrant yellow flowers in late spring and summer, typically November to January, attracting native bees and pollinators.

    Is Water Gum suitable for street planting?

    Yes. Water Gum is widely used by Australian councils as a street tree thanks to its tidy form, non-invasive roots, glossy foliage, and tolerance of urban conditions.

    What does the bark look like?

    Water Gum has attractive smooth bark that sheds in patches to reveal fresh cream, grey and tan tones beneath, adding year-round interest.

    Where does Water Gum grow best in Australia?

    Water Gum thrives across NSW, QLD, VIC and SA, tolerating coastal exposure, urban pollution, and a wide range of soils once established.

    Compare sizes side by side

    30cm/33cm

    Enquire

    40cm/45L

    Enquire

    100L

    Enquire

    200L

    Enquire

    400L

    Enquire

    Heights are approximate and vary between individual trees.

    Tristaniopsis laurina is loved for its glossy evergreen foliage and clusters of yellow summer flowers.

    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 Tristaniopsis laurina Water Gum 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.

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