Tristaniopsis laurina Water Gum
Tristaniopsis laurina Water Gum
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Current Stock Height Guides
Current Stock Height Guides
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 & Width
Mature Height: 7–15 m
Mature Width: 4–8 m
Tristaniopsis laurina Water Gum is expected to grow 0.5–1 m per year.
Root Ball Dimensions (Height & Width)
Root Ball Dimensions (Height & Width)
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)
Trade Customers
Trade Customers
We supply advanced trees to landscapers, developers, architects, and councils Australia-wide. Trade clients receive fast quotes, expert advice, and access to premium stock with reliable freight.
Shipping Cost
Shipping Cost
Shipping is calculated at checkout based on the pallet space your order occupies in the truck and your delivery location.
There is no charge to calculate your freight.
Contact Us
Contact Us
Have a question or a list to send through to us?
Email: sales@evergreentrees.com.au
Phone: (03) 7042 3318
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About Your New Tristaniopsis laurina Water Gum
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.
Plant Your Tristaniopsis laurina Water Gum With:
Type: Hedging and Screening Trees
Rhaphiolepis indica 'Oriental Pearl'
Type: Hedging and Screening Trees
Pittosporum tenuifolium 'Silver Sheen'
Type: Structural Foliage
Buxus japonica Japanese Box Topiary Balls
Type: Hedging and Screening Trees
Osmanthus x burkwoodii
Type: Evergreen
Westringia fruticosa – Coastal Rosemary
Uses in my Garden
Uses in my Garden
Tristaniopsis laurina Water Gum works in an:
Is Tristaniopsis laurina Water Gum Evergreen or Deciduous?
Is Tristaniopsis laurina Water Gum Evergreen or Deciduous?
Tristaniopsis laurina Water Gum is an Evergreen (foliage year round) Tree
Mature Height & Width
Mature Height & Width
Mature Height: 7–15 m
Mature Width: 4–8 m
Tristaniopsis laurina Water Gum is expected to grow 0.5–1 m per year.
Growth Rate of Tristaniopsis laurina Water Gum
Growth Rate of Tristaniopsis laurina Water Gum
Tristaniopsis laurina Water Gum is expected to grow 0.5–1 m per year.
They are considered to have a:
Frost Tolerance & Ideal Climate to plant Tristaniopsis laurina Water Gum
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?
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?
Flowering Period:
Flower Type:
Flower Colour:
Yellow
Is Tristaniopsis laurina Water Gum an Australian Native Tree?
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 ?
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?
How much Sunlight does Tristaniopsis laurina Water Gum need?
Tristaniopsis laurina Water Gum will thrive best in:
Preferred Soil?
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?
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.
Planting Information
How To Plant Your Tristaniopsis laurina Water Gum
How To Plant Your Tristaniopsis laurina Water Gum
Recommended Planting Spacing For Your Tristaniopsis laurina Water Gum
Recommended Planting Spacing For Your Tristaniopsis laurina Water Gum
Tristaniopsis laurina Water Gum is expected to grow 0.5–1 m per year.



