The former researcher director of a Massachusetts biotechnology firm was indicted on a federal charge Tuesday after allegedly purchasing several hundred castor oil plant seeds online, researching how ...

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 ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Castor bean (ricinus communis). Photo from mobot.org. Q • Three years ago, I planted castor beans in my garden, and they thrived.

Sweltering heat and bright sunlight do not a tropical garden make, even if many common garden plants, from marigolds to okra, do hail from the tropics. That tropical look comes from lush, bold foliage ...

“Save seeds from the best-looking plants in your garden,” says Rowen White, who directs the Native American Sovereignty Alliance’s effort to preserve the wide variety of plants traditionally grown by ...