Elaeocarpus reticulatus
tree

Blueberry Ash

Elaeocarpus reticulatus

The Story

Plant Bio

Elaeocarpus reticulatus, the blueberry ash, is an upright, densely branched evergreen tall shrub or small tree native to eastern Australia. It features simple, alternate, oblong-elliptic leaves with regularly toothed margins and distinct net-like venation on both surfaces.

The species produces pendent axillary racemes of cup-shaped, fringed white or soft pink flowers during spring and summer. These are followed by vibrant blue drupes that persist on the branches and attract a variety of native seed-eating birds.

Uses & Benefits:

Ornamental UsesFeatures a neat, conical crown, fringed bell-like flowers, and persistent, bright blue drupes.
Practical UsesFunctions as a dense, salt-tolerant windbreak or privacy screen suitable for near-coastal gardens.
Ecological BenefitsProvides critical food for native birds like Figbirds and Wonga Pigeons, and hosts Bronze Flat butterfly larvae.

Essentials

At a Glance

Plant Type

Tree

Height

315 inches

Width

157 inches

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Moderate

Humidity

High

Lifespan

Long-lived

Native To

Eastern Australia

Toxicity

Non-toxic

Bloom period

Spring – Summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 4 months of the year

Planting

How to Grow

  1. Select a site in full sun to partial shade with well-drained sandy loam, clay loam, or organic-rich soil.
  2. Dig a hole twice the width of the root ball and blend organic matter into the backfill to improve moisture retention.
  3. Plant at the same depth as the nursery container, firm the soil gently, and apply a thick layer of organic mulch.
  4. Water regularly during the first two seasons to establish a deep, drought-tolerant root system.

Pro Tip

Tip-prune only within the active green canopy zone; cutting back aggressively into old, leafless wood results in slow, patchy recovery and unsightly dead stubs.

Keep It Thriving

Care Guide

Do

  • Mulch the root zone to retain soil moisture and regulate temperature.
  • Prune lightly after summer flowering to maintain a dense, conical shape.
  • Apply a slow-release, low-phosphorus native fertiliser in spring if growth is sluggish.

Don't

  • Do not plant in heavily waterlogged, boggy, or poorly drained clay soils.
  • Do not hack back into old, bare wood as it lacks active nodes to shoot readily.
  • Do not allow young, establishing plants to dry out completely during hot summer spells.

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

Screening and privacy hedgesSpecimen planting in courtyardsCoastal windbreaksWildlife and habitat gardens

Multiply

Propagation Methods

Good to Know

Common Questions

Blueberry Ash questions

What zones can Blueberry Ash grow in?

Blueberry Ash is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Blueberry Ash bloom?

Blueberry Ash 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 Blueberry Ash need full sun?

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

Is Blueberry Ash drought tolerant?

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

Keep exploring

Grow Blueberry Ash 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.