Australian Indigo

Indigofera australis

Native to:
Australia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Indigofera
Species:
Indigofera australis
USDA Symbol:
INAU2

Growth Characteristics

Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
sep,oct,nov
Bloom Colors:
pink, mauve
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Can resprout from rootstock after fire; seeds may be stimulated by heat.

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:
Warm then cold/moist stratification (double dormancy) — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Seeds require scarification (nicking or hot water treatment) followed by warm stratification then cold stratification for optimal germination.