• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide

Castor Bean

Botanical Name
Ricinus communis
Hardiness
Zones 9 to 11, grown as annual elsewhere
Height
5 to 10 feet
Width
2 to 4 feet
Flowers
Mid to late summer: inconspicuous
Light
Full sun
Soil
Moist, well-drained, fertile
Planting & Care
  • Wear gloves when handling seeds
  • Scarify the seed coat with a file before sowing
  • Sow seeds directly outdoors after danger of frost or indoors 6-8 weeks before last frost
  • Castor bean requires adequate water and fertilizer to perform its best
  • Plants may need staking, especially in non-sheltered locations
Problems
SEEDS ARE POISONOUS! Do not plant where children may play.
Varieties
  • Carmencita Pink - pink seed heads, 5' tall
  • Sanguineus - reddish leaves, 8' tall
  • Zanzibariensis - green leaves, 10-15' tall

Related Content

Upcoming Appearances


July 13
Pasquesi Home & Gardens
Lake Bluff, IL

July 14
Sanger House Gardens
Milwaukee, WI

July 20
Ebert's Greenhouse Village
Ixonia, WI

Learn More

Book an Appearance

Learn More

Win Melinda's Trees and Shrubs DVD set!

ENTER NOW