which can develop sooty mold and make affected plants look like they’re coated in a fine, dark powder. Because milkweed aphids don't do much harm to milkweed, it’s generally best to leave them ...
RIO GRANDE CITY, Texas— The U.S. Fish and Wildlife Service today protected the prostrate milkweed as endangered. Only 24 populations of the plant survive, in south Texas and northern Mexico, where ...