Wallangarra Wattle

Acacia adunca

Native to:
Australia

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Acacia
Species:
Acacia adunca
USDA Symbol:
ACAD

Growth Characteristics

Height:
400 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
aug,sep,oct,nov
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, native insects, birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from lignotuber after fire. Heat and smoke from fire stimulate seed germination in soil seed bank.

Soil Requirements

Soil Type:
well-drained, sandy to loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open forests and woodlands

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–21 days
Notes:
Seed coat scarification via boiling water treatment significantly improves germination rates. Seeds should be soaked after scarification for 24 hours before sowing.

The above propagation data sourced from Claude AI