Growing Asclepias. Asclepias is a genus of herbaceous perennial flowering plants known as milkweeds named for their latex a milky substance containing cardiac glycosides termed cardenolides exuded where cells are damaged. How to grow asclepias incarnata plants in your garden gardener s hq guide to growing swamp milkweed.
Plants from the asclepias genus tend to be either half hardy or hardy perennials. But stratification wouldn t hurt the seeds of butterfly weed at all and might even increase the germination rate. Asclepias incarnata commonly known as swamp milkweed rose or pink milkweed swamp silkweed or rose milkflower is an herbaceous perennial and part of the apocynaceae family dogbanes.
Growing asclepias tuberosa from seed.
Butterfly weed is a must have plant for green thumbs looking to coax its namesake beautiful winged insects into their garden. Tuberosa when seed is sown in week 6. How to grow asclepias incarnata plants in your garden gardener s hq guide to growing swamp milkweed. Many references state that you need to stratify the seed for 30 days but i ve never had trouble germinating them without stratification.