The Main Plant entry for Castor Beans (Ricinus communis)

This database entry exists to show plant data and photos that apply generically to all Castor Beans.

General Plant Information (Edit)
Plant Habit: Shrub
Tree
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Leaves: Unusual foliage color
Fruit: Showy
Flower Time: Summer
Late summer or early fall
Fall
Uses: Will Naturalize
Suitable as Annual
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Other: All parts of plant are toxic. Seeds highly toxic.
Propagation: Seeds: Self fertile
Scarify seeds: Soak for 24 hours.
Sow in situ
Pollinators: Wind
Miscellaneous: Monoecious

Image
Common names
  • Castor Bean
  • Castor Oil Plant
  • Higuera Infernal

Photo Gallery
Location: Gwinnett County, GA
Location: Loki Schmidt Garten - Botanischer Garten der Universität Hamburg
Date: 2022-09-13
Photo by Swayback
Location: Menton, France
Date: 2015-11-16
Highly toxic - beware!
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2018-08-30
Ricinus communis, castor bean plant buds (reddish orange) and mal
Location: Berridge Nursery, Phoenix, Arizona
Date: 2017-05-03
Location: Winter Springs, Florida, United States
Date: 2019-12-29
Location: Berridge Nursery, Phoenix, Arizona
Date: 2017-05-03
Location: Guadalupe River 
Date: 2016-10-21
Location: Guadalupe River 
Date: 2016-10-21
Location: Toledo Botanical Gardens, Toledo, Ohio
Date: 2012-08-10
Castor bean plants on a rainy August morning
Location: Loki Schmidt Garten - Botanischer Garten der Universität Hamburg
Date: 2022-09-13
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2019-08-25
A spider and an ant (Castor bean plant blooms, Ricinus communis)
Location: MOBOT -   St Louis
Date: summer 2006

Date: 2012-07-05
Location: Kyle
Date: 2018-09-07
the leaves have a striking color
Location: Yukon, Oklahoma
Date: late May
newly opening leaf
Photo by Swayback
Location: Western Kentucky
Date: Late summer 2010
Castor bean seed pods
Photo by sedumzz
Location: Columbus, OH
Date: 10-24-2002
Photo by Swayback
Location: Lucketts, Loudoun County, Virginia
Date: 2015-07-02
Location: Central Kansas (Zone 6b)
Date: 2016-07-26
Location: Sebastian,  Florida
Date: 2021-06-22
Location: Sebastian,  Florida
Date: 2021-07-03
Location: Kyle
Date: 2018-09-07
fresh and dried seed pods--all poisonous
Photo by Swayback
Photo by Swayback
Location: Chatsworth, California
Date: 2012-01-25
Naturalized in southern California
Location: Along the road, Paraty, Brazil
Date: 2013-12-15
Location: Central Kansas (Zone 6b)
Date: 2016-07-26
Location: In my NC zone 7 garden
Date: Summer
Location: in my NC zone 7 garden
Date: Summer
Location: Hudson valley, NY
Date: 2014-08-26
castor bean
Location: NC zone 7
Date: late winter
germinating seeds
Location: Plano, TX
Date: 2009-04-30
Location: Central Kansas (Zone 6b)
Date: 2016-08-06
Location: Cambridge University Botanic Garden
Date: September
credit: Magnus Manske
Photo by Swayback
Location: Houston area
Date: 2012-10-02
Location: Leo Carrillo State Park, California
Date: 2009-11-28

Date: 2012-07-05

Date: 2012-07-05
Location: NC zone 7
Date: late summer

Date: April
credit: Schnobby
Photo by dave
Location: Along the road, Paraty, Brazil
Date: 2013-12-15
Location: Along the road, Paraty, Brazil
Date: 2013-12-15
Location: Central Kansas (Zone 6b)
Date: 2016-07-26
Location: Sebastian,  Florida
Date: 2021-10-21
Location: Sebastian,  Florida
Date: 2021-06-22

Date: 2010-01-21
USDA
Location: Cambridge University Botanic Garden
Date: September
credit: Magnus Manske
Location: Cambridge University Botanic Garden
Date: September
credit: Magnus Manske

Date: 2012-07-05

Date: 2012-07-05
This plant is tagged in:
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Comments:
Discussion Threads about this plant
Thread Title Last Reply Replies
Castor Bean plant by Dollybelle Jan 14, 2014 1:11 PM 3

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