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Rib Wattle

Acacia nervosa

Rib Wattle
Photo: Hughesdarren, CC BY-SA 4.0

Rib wattle is a small, erect or sprawling Australian shrub grown for its ribbed stems, grey-green phyllodes and bright golden flower heads in winter and spring. It is hardy and dieback resistant, and is easiest grown from seed that has been pretreated with hot water.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun
Water
Water young plants until established, then rely mostly on rainfall; avoid waterlogging.
Soil
Well-drained gravelly clay or sandy, lateritic soil.
Temperature
Tolerates a mild subtropical to Mediterranean range; protect from hard frost.
How easy
Easy
Native range
SW. Australia
Climate
subtropical

About

Acacia nervosa, commonly known as rib wattle ribbed wattle or perfumed wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae.

How to grow it

The shrub is available commercially in seed form or as a seedling. The hardy plant is dieback resistant. Seeds have to be pretreated with hot water prior to planting. and the seed will take about four weeks to germinate.

Where it grows

It is native to an area in the Great Southern, South West and Peel regions of Western Australia where it grows in gravelly clay or sandy lateritic soils. It occurs in a block as far north as Mogumber and along the coast south to Cape Naturaliste then east along the coast as far as Albany. Some outlying populations are found in Tammin, Katanning and Mount Barker. It is often found near watercourses or as a part of Eucalyptus woodland or forest communities.

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 nervosa 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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