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Castor Bean
Scientific Name: Ricinus communis L.
Family: Euphorbiaceae

Show Larger Picture 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 in the low deserts Heat Tolerance: Moderate in Phoenix Sun Exposure: Full sun Origin: Asia and Africa Growth Habits: Tender 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) Watering Needs: Regular water Propagation: Seeds

Cultural Practices:
Soak the seeds in warm water overnight. Start the seeds indoor, 0.75 inch deep (2 cm), at 70 to 85°F (21 to 29°C). 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.