3 named cultivars

‘Fettuccini’Fettuccini Wattle, River Wattle, Bower Wattle, Narrow-leaf Bower-wattle
‘Limelight’Limelight Wattle, Dwarf River Wattle, Narrow-leaved Bower Wattle 'Limelight'
‘Green Mist’Dwarf Bower Wattle, Dwarf River Wattle, 'Green Mist' Wattle

tree

Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle

The Story

Plant Bio

Acacia cognata, commonly known as the bower wattle, is an evergreen Australian tree or shrub native to the coastal plains and foothills of southeastern Australia. The species is defined by its weeping, fountain-like habit, featuring pendulous branchlets clad in narrow, resin-dotted phyllodes that release a slight stickiness.

Unlike many acacias with prominent golden blossoms, this species produces pale lemon-yellow globular flower heads in pairs along the phyllode axils from winter through spring. The foliage displays bright lime-green or coppery new growth, making it a highly structural specimen even when not in bloom.

Uses & Benefits:

Provides a highly architectural, weeping, fountain-like form with soft, pendulous foliage and pale yellow winter-spring flowers.

Serves as an effective screen or windbreak in well-drained soils, requiring minimal structural maintenance once established.

Supports native bees and beneficial insects, while the dense weeping canopy provides shelter and nesting habitat for small insectivorous or seed-eating birds.

Essentials

At a Glance

Plant Type

Tree

Height

394 inches

Width

394 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low to moderate

Humidity

Sensitive to high humidity

Lifespan

Variable

Native To

Southeastern Australia

Toxicity

Non-toxic

Planting

How to Grow

Select a planting site with well-draining sandy loam or granitic soil in full sun or light, dappled shade.
Dig a hole twice as wide as the root ball and of equal depth, ensuring the root collar remains level with the surrounding soil surface.
Water deeply upon planting and maintain regular watering during the establishment phase to encourage deep root development.
Apply a light layer of organic mulch around the root zone, keeping it clear of the main trunk to prevent collar rot.

Pro Tip

Avoid pruning back into old, leafless wood because this species lacks reliable epicormic buds and will fail to reshoot from bare timber.

Keep It Thriving

Care Guide

Do

Provide supplemental deep watering during extended hot, dry periods to maintain optimal foliage density.
Ensure the soil has excellent drainage to prevent waterlogging and subsequent root rot.
Protect young plants from heavy frosts until they are fully established.

Don't

Do not prune heavily into old, bare wood, as the plant cannot regenerate from old timber.
Do not overwater or plant in heavy, poorly drained clay soils.
Do not apply standard high-phosphorus fertilisers; stick to native-formulated options.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Specimen plantingScreeningUnderstory plantingWindbreaks (protected from direct maritime winds)

Companion Plants

Lomandra species Poa species

Multiply

Propagation Methods

Good to Know

Common Questions

Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle questions

What zones can Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle grow in?

Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle bloom?

Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle typically blooms in winter through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle need full sun?

Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle drought tolerant?

Yes — once established (usually after the first full season), Bower Wattle, River Wattle, Narrow-leaf Bower-wattle, Sticky Wattle handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.