Syzygium wilsonii
shrub

Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash

Syzygium wilsonii

The Story

Plant Bio

Syzygium wilsonii, commonly known as the powderpuff lillypilly, is an evergreen understorey shrub native to the rainforests of far north Queensland. It features weeping, pendulous branches clad in stiff, narrow lanceolate leaves that open in bronze-pink flushes before maturing to a dull dark green.

This species is distinguished by its large, deep crimson pom-pom flower heads composed of dense stamens that hang beneath the weeping foliage from spring to summer. Unlike many common lillypillies, it shows high resistance to psyllid leaf-galling but requires consistent moisture and shelter from hot winds to thrive.

Uses & Benefits:

Ornamental UsesWeeping habit, striking bronze-pink new growth flushes, and large crimson pom-pom flowers.
Practical UsesEdible fruits can be harvested for jams and bush tucker preserves.
Ecological BenefitsFlowers provide nectar and pollen for native bees and honeyeaters; fruits feed frugivorous birds.

Essentials

At a Glance

Plant Type

Shrub

Height

118 inches

Width

78 inches

Light

Partial Sun, Shade

Zones

9, 10

Water

High

Humidity

High

Lifespan

Long-lived

Native To

Far North Queensland, Australia

Toxicity

Non-toxic

Bloom period

Spring – Summer

J
F
M
A
M
J
J
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S
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In flower about 4 months of the year

Planting

How to Grow

  1. Select a planting site in dappled or partial shade, protected from strong, drying winds.
  2. Incorporate generous amounts of well-composted organic matter into the planting hole to enrich the soil.
  3. Water the plant thoroughly before and immediately after planting to settle the soil around the roots.
  4. Apply a thick layer of organic mulch over the root zone, keeping it clear of the direct stem, to retain moisture.

Pro Tip

Plant this species in dappled understorey shade with rich, organic-heavy soil; placing it in full sun causes leaf scorch and stalls growth.

Keep It Thriving

Care Guide

Do

  • Keep the soil consistently moist, especially during dry summer periods.
  • Apply an annual top-dressing of compost and organic mulch to enrich the root zone.
  • Tip-prune lightly after flowering to maintain a dense, bushy habit.

Don't

  • Do not plant in full, baking sun where the foliage will scorch.
  • Do not allow the soil to dry out completely, as the plant has low drought tolerance.
  • Avoid heavy pruning into old, leafless wood, which recovers slowly.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Understorey plantingShaded courtyard featureInformal screeningTropical-style gardens

Multiply

Propagation Methods

Good to Know

Common Questions

Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash questions

What zones can Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash grow in?

Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash 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 Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash bloom?

Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash typically blooms in spring through summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash need full sun?

Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash does best in part shade.

Keep exploring

Explore the genus

Hardy in your zone?

Grow Powderpuff Lillypilly, Powder-puff Lilly Pilly, Watergum, Plum Satinash with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.