Cascara sagrada is an herbal remedy that used to be a common ingredient in some over-the-counter (OTC) laxatives. The bark comes from a tree called the California buckthorn. This tree grows on the ...

Native Americans in the Pacific Northwest first began using cascara sagrada, or sacred bark, hundreds of years ago. When dried and aged for a year, the bark of Rhamnus purshiana, a tree related to ...

Would you suggest a native tree that would be a better fit? We are looking at the Pacific dogwood, vine maple, and cascara buckthorn as well.