Castor Oil Plant

Also known as:
Castor Bean
Tropical Africa

General description

Shrub up to 4m. Leaves green or purple, large, soft & deeply lobed, (20-40 cm diam.). Flowers clustered in heads (Dec-Feb), soft spiny capsules with rectangular seeds up to 15 mm long.

Waste places, gardens

Gravity/water dispersed seed

Extremely poisonous, especially seeds. Invades waste places.

Site management

Recommended approaches

1. Pull seedlings.
2. Cut & stump paint (250ml glyphosate/1L).
3. Spray (200ml glyphosate/10L).

Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.

Similar species

Fatsia japonica

The leaves of fatsia are thicker & more leathery. Fatsia has round white flowers followed by black berries.

RPMS status

Surveillance - Whole Region
castor oil plant - Main species image