tree

Lilly Pilly

Syzygium smithii

The Story

Plant Bio

Syzygium smithii is an evergreen tree or dense large shrub native to eastern and northern Australia, growing ten to over thirty feet tall in cultivation with a rounded, upright crown. The glossy green, lanceolate leaves feature conspicuous oil glands and flush in shades of pink, red, or bronze before maturing.

In spring and summer, the branch tips produce fluffy clusters of small, cream-colored flowers that give way to edible, fleshy berries. The species is highly adaptable to coastal conditions, tolerating salt spray and high humidity while resisting the psyllid pests that disfigure other lilly pillies.

Uses & Benefits:

Ornamental UsesProvides a dense, glossy green screen year-round, highlighted by colorful pink and red new growth flushes and fluffy cream flowers.
Practical UsesFunctions as an effective windbreak and privacy barrier that tolerates coastal salt spray and heavy pruning.
Ecological BenefitsThe flowers attract bees and butterflies, while the dense canopy offers nesting sites for local birds.

Essentials

At a Glance

Plant Type

Tree

Height

240"

Width

144"

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Moderate

Humidity

High

Lifespan

Long

Native To

Australia

Toxicity

Non-toxic

Planting

How to Grow

  1. Select a planting site in full sun to partial shade with well-drained, organic-rich loam, though clay and sandy soils are also tolerated.
  2. Dig a hole twice the width of the root ball and set the plant at the same depth it was growing in its container.
  3. Water deeply at planting and maintain consistent moisture during the first growing season to establish a deep root system.
  4. Apply a balanced, slow-release fertilizer annually in early spring to support the seasonal flush of new foliage.

Pro Tip

Prune the canopy in late winter or early spring to maintain a dense hedge, but avoid cutting back into old, leafless wood where new shoots fail to emerge.

Keep It Thriving

Care Guide

Do

  • Prune regularly in late winter to shape into a formal hedge or screen.
  • Provide supplemental water during prolonged dry spells to maintain dense foliage.
  • Grow in a sheltered coastal position to take advantage of its high salt tolerance.

Don't

  • Do not prune aggressively into bare, woody stems that lack active leaves.
  • Do not allow the soil to remain waterlogged, though temporary wet spells are tolerated.
  • Do not plant in areas prone to hard freezes below twenty degrees Fahrenheit.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Formal hedgePrivacy screenWindbreakSpecimen treeCoastal garden planting

Multiply

Propagation Methods

Good to Know

Common Questions

Lilly Pilly questions

What zones can Lilly Pilly grow in?

Lilly Pilly 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.

Is Lilly Pilly deer resistant?

Not reliably. Deer may browse Lilly Pilly, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Lilly Pilly bloom?

Lilly Pilly 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 Lilly Pilly need full sun?

Lilly Pilly does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Lilly Pilly drought tolerant?

Yes — once established (usually after the first full season), Lilly Pilly handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Explore the genus

Hardy in your zone?

Grow Lilly Pilly 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.