Ricinus communis
Castor Oil Plant
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Castor Oil Plant (Ricinus communis) - Description
The castor oil plant, Ricinus communis, is a species of flowering plant in the spurge family, Euphorbiaceae. It belongs to a monotypic genus, Ricinus, and subtribe, Ricininae. The evolution of castor and its relation to other species are currently being studied using modern genetic tools. Its seed is the castor bean, which, despite its name, is not a true bean.
Castor Oil Plant (Ricinus communis) - Growth
Castor Bean plants do well in full sun.
Castor Oil Plant (Ricinus communis) - Planting
Soak seeds for 24 hours before sowing in late spring, at 70 degrees F.
Castor Oil Plant (Ricinus communis) - Pest
Rare.
Castor Oil Plant (Ricinus communis) - Interesting facts
Castor beans are highly toxic. The name of the genus, Ricinus, is where the toxin ricin derives its name. The ricin toxin is produced from this plant. The presence of this toxin in the plant helps to prevent herbivory, but has also made this plant the most poisonous plant in the world.
Castor Oil Plant (Ricinus communis) - Soil and irrigation
In containers, use soil-based potting mix. Otherwise plant in humus-rich, well drained soil. Water freely during the growing season. Water sparingly in winter.
