Growing Asclepias Speciosa From Seed. P milkweed plants normally flower in the summer. Asclepias speciosais a milkysappedperennial plantin the dogbane family apocynaceae known commonly as theshowy milkweed 1this species is native to the western half of north america this flowering plant is a hairy erect perennial the large pointed elongate simple entire leaves are arranged oppositely.
The seeds you will receive were hand collected by me in reno nevada or near boise idaho in september 2020. The seeds have been stored dry at room temperature. Plant your seeds directly into the soil in the fall.
Everyone says the aphids should be left alone because bugs will eat them.
Fill them 3 4 with potting soil scatter the seeds on the soil surface 1 2 in. As an alternative you can start your seeds indoors 4 8 weeks before the average date of last frost. How to grow asclepias plants in your garden gardener s hq guide to growing milkweed pleurisy root and butterfly weed. I have found that the plant ends up getting so much black on it when i let the aphids be that i doubt it is attractive to monarchs.