rec.gardens.bamboo - join
All aspects of bamboo growing and uses.
Low activity, 61 subscribers, Usenet

rec.gardens.roses - join
Gardening information related to roses.
Low activity, 199 subscribers, Usenet

Waxplant: The Hoya Forum - join
The purpose of this forum is to bring Hoya experts, collectors, and hobbyists together to enjoy intellectually stimulating discussions about the care, culture, habits, history, and taxonomy of the genus Hoya (commonly called Waxplant), which is a tropical and subtropical Asclepiadaceae plant.
Low activity, 107 members, restricted