Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Proteaceae

Genus:

Grevillea

Species:

Grevillea robusta

USDA Symbol:

GRRO

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

3500 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

orange, yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

birds, bees

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from the trunk and branches after fire damage. Native to fire-prone eucalypt forests of eastern Australia.

Soil Requirements

Soil Type:

well-drained, sandy to loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to eastern Australia, prefers well-drained soils

Propagation & Germination

Stratification:

None required

Germination Time:

14–30 days

Notes:

Fresh seed germinates readily without pretreatment. Seeds lose viability quickly and should be sown soon after collection.

The above propagation data sourced from Claude AI