Ricinus communis (Castor Bean Plant)


Botanical Information

FamilyEuphorbiaceae
GenusRicinus
Speciescommunis
CategoryAnnuals, Perennials, Tropicals

Details

USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness Ref.
Height3 m
Spread1.5 m
GrowthFast
Flowering PeriodJune, July, August, September, October

Description and Growing Information

LandscapeCan be grown as an annual in temperate climates.
PropagationEasily by seed.
Leaf DescriptionThe glossy leaves are 15–45 cm long, long-stalked, alternate and palmate with 5–12 deep lobes with coarsely toothed segments. In some varieties they start off dark reddish purple or bronze when young, gradually changing to a dark green.
Flower DescriptionThe flowers are borne in terminal panicle-like inflorescences of green or, in some varieties, shades of red monoecious flowers without petals. The male flowers are yellowish-green with prominent creamy stamens and are carried in ovoid spikes.
Fruit DescriptionThe fruit is a spiny, greenish (to reddish purple) capsule containing large, oval, shiny, bean-like, highly poisonous seeds with variable brownish mottling.

Photographs