Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Acacia

Species:

Acacia extensa

USDA Symbol:

ACEX3

Growth Characteristics

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

aug,sep,oct

Bloom Colors:

yellow

Evergreen Shrub:

Yes

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, birds

Deer Resistant:

Yes

Fragrant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from rootstock after fire. Seeds may also be stimulated by heat, though not strictly fire-dependent for germination.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to Western Australia, prefers coastal sandy plains

Propagation & Germination

Stratification:

None required

Scarification:

Seed coat scarification required before sowing

Germination Time:

7–21 days

Notes:

Seeds require scarification via hot water treatment or mechanical abrasion. Soak in near-boiling water and allow to cool for 24 hours before sowing.

The above propagation data sourced from Claude AI