Dear Master Gardener: I was given a small plant as a gift last spring. It grew into a gigantic plant with striking leaves and spiky pink seed pods. I've learned it is a castor bean plant. I'd like to ...

Ricin is in the news again. Castor bean plants are ubiquitous on Maui. One of the most toxic substances in nature can cause death in an adult via various means of exposure of only a few powdered seeds ...

Evogene's wholly-owned subsidiary Casterra Ag has received initial purchase orders worth $11.3 million for its proprietary castor plant seeds, which will be used for biofuel production in Africa. The ...

Which castor oils are best? If you only associate castor oil with something that kept grandpa “regular,” you’re missing out on a plethora of other uses this plant oil promises. Pressed from the beans ...