shrub

Moonlight Grevillea

The Story

Plant Bio

Grevillea is a diverse genus of evergreen flowering plants in the Proteaceae family, native primarily to Australia. These plants are characterised by their unique, petal-less flowers where the prominent styles form dense, colourful racemes that attract nectar-feeding wildlife.

'Moonlight' is a fast-growing, upright hybrid cultivar selected in Queensland, reaching up to five metres in height. It features deeply divided, fern-like green leaves with silvery-grey undersides and produces large, ivory-cream toothbrush-like flowers continuously throughout the year.

Uses & Benefits:

Produces large, ivory-cream toothbrush flowers year-round against finely divided, fern-like foliage.

Serves as an effective, fast-growing privacy screen or windbreak tolerant of coastal salt and humidity.

Provides a continuous, high-volume nectar source for honeyeaters, native bees, and butterflies.

Essentials

At a Glance

Plant Type

Shrub

Height

197 inches

Width

157 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low

Humidity

High

Lifespan

15-20 years

Native To

Australia (Cultivar origin)

Toxicity

Skin Irritant

Planting

How to Grow

Select a planting site in full sun with highly permeable, sandy or loamy soil to prevent root rot.
Dig a hole twice the width of the root ball and plant at the same depth as the nursery container.
Water deeply upon planting and provide occasional deep watering during extended dry periods once established.
Apply a thick layer of organic mulch around the base, keeping it clear of the main stem to prevent rot.

Pro Tip

Never prune hard into old, leafless wood, as this cultivar lacks active buds on inner bare branches and will fail to regenerate.

Keep It Thriving

Care Guide

Do

Prune spent flower heads back to active lateral buds to encourage bushy growth.
Use only specialized low-phosphorus fertilisers formulated specifically for native Proteaceae.
Wear gloves and long sleeves when handling the foliage to avoid contact dermatitis.
Ensure excellent soil drainage, mounding the soil if planting in heavier clay-loam.

Don't

Do not apply standard all-purpose fertilisers, as high phosphorus levels cause rapid toxicity and death.
Do not prune heavily into old, bare inner wood where no green foliage remains.
Do not allow overhead watering to wet the foliage excessively, which promotes fungal leaf spot.
Do not plant in poorly drained or waterlogged soils where Phytophthora can thrive.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Screening and informal hedgingSpecimen planting in native gardensWindbreaks and coastal second-line plantingsWildlife and pollinator gardens

Companion Plants

Anigozanthos flavidus Westringia fruticosa Banksia spinulosa Correa alba

Multiply

Propagation Methods

Good to Know

Common Questions

Moonlight Grevillea questions

What zones can Moonlight Grevillea grow in?

Moonlight Grevillea 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 Moonlight Grevillea bloom?

Moonlight Grevillea typically blooms in year round through year round. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Moonlight Grevillea need full sun?

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

Is Moonlight Grevillea drought tolerant?

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