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Bullock Poison

Gastrolobium trilobum

Also called Bullock Poisonbush

Bullock Poison
Photo: Allthingsnative, CC BY-SA 4.0

Bullock poison is a small, spreading, rigid shrub native to southwest Western Australia, grown for its orange, yellow and red pea-type flowers. It is highly toxic to livestock and wildlife, so keep it away from grazing animals and handle it with care.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water sparingly once established; it tolerates dry conditions typical of its native heath and woodland.
Soil
Free-draining, sandy or gravelly soil; poor soils are fine.
Temperature
Mild to warm climates; protect from hard frost.
How easy
Moderate
Safety
Toxic: All parts contain fluoroacetate-type compounds that are poisonous to people if eaten; the plant is named for its toxicity to livestock.
Native range
SW. Australia
Climate
subtropical

About

Gastrolobium trilobum, commonly known as bullock poison, is a flowering plant in the family Fabaceae, and is endemic to Western Australia. It is a small, rigid shrub with orange, yellow and red flowers.

Where it grows

Bullock poison grows in the Avon Wheatbelt, Jarrah Forest and mallee.

Other Gastrolobium plants

Gastrolobium acrocaroli · Gastrolobium alternifolium · Heart Leaf Poisonbush · Gastrolobium brevipes · York Road Poison · Bacon And Eggs · Swan River Pea · Gastrolobium coriaceum · Gastrolobium formosum · Gastrolobium glabratum · Australian Poisonbush · Gastrolobium leakeanum

Text excerpted from the Wikipedia article Gastrolobium trilobum 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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