Garden hybrid

This is a garden hybrid, bred from more than one wild species, so it has no single species page of its own.

16 other cultivars

shrub

Moonlight Grevillea

Grevillea x hybrida 'Moonlight'

The Story

Plant Bio

Grevillea is a diverse genus of evergreen shrubs and trees native to Australia, characterized by their unique, petal-less flowers that rely on long, colorful styles for display. These plants are highly adapted to nutrient-poor soils and have specialized proteoid roots designed to maximize water and nutrient uptake in low-phosphorus environments.

'Moonlight' is a fast-growing, upright hybrid cultivar that produces large, ivory-white to pale yellow toothbrush-like flower spikes up to ten inches long. The deeply divided, fern-like foliage is dark green on top with silvery-gray undersides, creating a dense, textured screen.

Uses & Benefits:

Produces continuous ivory-white flower spikes against deeply divided, fern-like, silvery-backed foliage.

Functions as a fast-growing, drought-tolerant privacy screen or windbreak in warm, coastal, or Mediterranean climates.

Provides a year-round nectar source for hummingbirds, bees, and other native pollinators.

Garden hybrid

Bred from more than one wild species, so it has no species page of its own.

Essentials

At a Glance

Plant Type

Shrub

Height

142"

Width

118"

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low

Humidity

Moderate

Lifespan

10-20 years

Native To

Australia (hybrid origin)

Toxicity

Skin Irritant

Bloom period

Year round

In flower about 12 months of the year

Planting

How to Grow

Select a planting site with full sun to partial shade and exceptionally well-drained, sandy or loamy soil.
Dig a hole twice as wide as the root ball but no deeper, ensuring the crown sits slightly above the surrounding soil level to prevent rot.
Water deeply to establish the root system, then reduce frequency to allow the soil to dry out completely between waterings.
Apply a thick layer of organic mulch around the base, keeping it several inches away from the trunk to avoid moisture retention.

Pro Tip

Never shear this shrub back into the bare, leafless interior wood, as it lacks dormant buds on old stems and will fail to resprout.

Keep It Thriving

Care Guide

Do

Plant in highly permeable, sandy or gravelly soil to ensure rapid drainage.
Prune lightly by up to one-third immediately after a major flowering flush to maintain a dense habit.
Use only specialized low-phosphorus fertilizers formulated for Australian native plants.
Wear gloves and long sleeves when handling the plant to avoid skin irritation.

Don't

Do not apply standard general-purpose fertilizers, manures, or bone meal, as high phosphorus levels are toxic.
Do not prune hard into old, bare wood, as the plant will not regenerate from these stems.
Do not overwater or plant in heavy, poorly drained clay soils, which triggers fatal root rot.
Do not plant in highly alkaline soils, which causes iron-deficiency chlorosis.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Privacy ScreenSpecimen PlantHedgeWindbreakPollinator Garden

Companion Plants

Anigozanthos flavidus Leucadendron Salvia apiana Ceanothus

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.