Previous species
Previous Species

Next Species
Next Species

Home Page

Order CD-ROMs from the site

Tell a Friend

Gardening Books

Gardening Catalogs

 

Castor Bean
Scientific Name: Ricinus communis L.
Synonym:
Family: Euphorbiaceae
Castor Bean (Ricinus  communis)
Ricinus communis 'Carmencita' in New York Botanical Garden
Recommended Temperature Zone:
sunset: All zones as an annual
USDA: All zones as an annual

Frost Tolerance: Perennial shrub in zone 9 and warmer

Heat Tolerance: Some afternoon shade is better in the low deserts

Sun Exposure: Full sun

Origin: Asia and Africa

Growth Habits: Tender evergreen perennial usually grown as a half-hardy annual, grows up to 6-12 feet tall (1.8-3.6 m), 6 feet wide in a season (1.8 m), as a tree, up to 25 feet tall (7.5 m); palmate leaves, up to 18 inches long and wide (45 cm)

Watering Needs: Regular water

Propagation: Seeds


Seeds can be deadly if ingested, the foliage can generate serious allergies.
The castor bean tree is used to generate rapidly a tropical effect.

Cultural Practices:
Soak the seeds in warm water overnight. Start the seeds indoor, 0.75 inch deep (2 cm), at 70 to 85F (21 to 29C). Plant 6-8 week old seedlings 3 feet apart. Seeds can also be sown in place. Depending on the location, the castor bean might self seed.

Blooming Habits:
Male and female flowers are separate, both unimpressive. The female flowers are followed by a spiny red capsule, 0.5 to 1 inch in diameter (12-25 cm), containing 3 attractively colored mottled seeds.

Fruiting Habits:


Sponsors:

www.springhillnursery.com Michigan Bulb - 120 x 60 Lawns Banner! Gurney's 120 x 60 A

We do get a small commission out of these sponsors that helps financing the website.  Let us know if you are satisfied or dissatisfied of their services, since obviously we are trying to advertise only for reputable garden supply companies.  They might be helpful to get plants not generally available at the local garden center, getting a new and unusual gardening tool or get a discount Better Homes and Gardens magazine subscription.

 

Desert Tropicals Home Page | List of All the Plants | More in the Euphorbiaceae family | Tell your friends about this page

Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

1998-2005 Philippe Faucon, All Rights Reserved.