Uploaded November 2023 | Updated September 2026, 2 weeks ago
Castor bean (Ricinus communis) is a unique crop belonging to the spurge family. The seeds of this monoicous plant are valued for their high oil content, which is useful in a variety of industries. This plant may be best known as the source of ricin, a toxin made famous through popular culture. Join Dr. Pat Byrne (CSU Soil and Crop Sciences) to see castor bean grown in a demo plot at Colorado State University's Agricultural Research, Development and Education Center.
Funding for this video was provided by USDA-NIFA-Higher Education Challenge Grant (2020-70003-303930), with additional support from Colorado State University and USDA-Agricultural Research Service. USDA is an equal opportunity provider, employer, lender.
Castor bean (Ricinus communis) is a unique crop belonging to the spurge family. The seeds of this monoicous plant are valued for their high oil content, which is useful in a variety of industries. This plant may be best known as the source of ricin, a toxin made famous through popular culture. Join Dr. Pat Byrne (CSU Soil and Crop Sciences) to see castor bean grown in a demo plot at Colorado State University's Agricultural Research, Development and Education Center.
Funding for this video was provided by USDA-NIFA-Higher Education Challenge Grant (2020-70003-303930), with additional support from Colorado State University and USDA-Agricultural Research Service. USDA is an equal opportunity provider, employer, lender.










