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Acacia collegialis

Acacia collegialis, southern rock wattle, is a spreading shrub or small tree from inland Western Australia, grown mainly for its golden flowers in arid-climate gardens. It needs full sun, very well drained soil and little water once established.

Family
Fabaceae (Pea & bean family)
Grows as
Tree, Shrub
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry out fully between waterings; established plants need little or no supplementary water.
Soil
Free-draining sandy or gravelly soil; tolerates shallow sandy clay-loam as in its native habitat.
Temperature
10–40 °C; tolerates hot, dry summers and frost is not a concern for most areas where it is grown.
How easy
Moderate
Native range
SC. Western Australia
Climate
desert or dry shrubland

About

Acacia collegialis, also known as southern rock wattle, is a species of flowering plant in the family Fabaceae and is endemic to inland Western Australia. It is a spreading shrub or tree with narrowly elliptic phyllodes, oblong to shortly cylindrical spikes of golden yellow flowers, and linear to narrowly oblong, thinly leathery to crust-like pods.

Where it grows

Southern rock wattle occurs from Coolgardie to Karonie about 100 km (62 mi) east of Kalgoorlie and south to near Norseman, where it grows in shallow sandy clay-loam in open tall shrubland or low woodland, in the Coolgardie and Murchison bioregions of inland Western Australia.

Other Acacia plants

Acacia abbatiana · Acacia abbreviata · Acacia abrupta · Acacia acanthaster · Harrow Wattle · Acacia acellerata · Gold-dust acacia · Acacia aciphylla · Acacia acoma · Acacia acradenia · Strap Leaved Wattle · Acacia acuaria

Text excerpted from the Wikipedia article Acacia collegialis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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