Large-scale growers are ramping up to send some of the more common varieties, including green milkweed (asclepias viridis), to retail nurseries this year, according to the Native Plant Society of ...

showy milkweed, green milkweed, butterfly weed, swamp milkweed, antelope horn milkweed and zizotes, plus one exotic species, the tropical milkweed. We had the most success with zizotes and ...

Zizotes and tropical milkweed germinated and transplanted the best of all the species (showy, antelope horn, butterfly weed, swamp and green). Both of the species germinated in the spring and ...

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 ...