What causes black tips on spider plants? Some flowers can generate their own heat through a rare process called thermogenesis. The Eastern skunk cabbage can raise its internal temperature enough to melt surrounding snow, allowing the plant to bloom What are the weirdest? rarest? or most unusual plant you grow? Page 2 TROPICAL LOOKING PLANTS Other Than Palms PalmTalk Growing Fava Beans: Cool Season Nitrogen Fixer Growing Spaces Peut on bouturer une feuille de caoutchouc? Jardinier paresseux