When to harvest:
Asclepias exaltata (Poke milkweed) – All October
Asclepias incarnata (Swamp milkweed) – Late September-early October
Asclepias purpurascens (Purple milkweed) – Early October
Asclepias syriaca (Common milkweed) – Late September-October
Asclepias tuberosa (Butterfly weed) – Late September-October
Asclepias verticillata (Whorled milkweed) – Mid-Late September
Asclepias viridiflora (Short green milkweed) – Mid-Late September
pleasantvalleyconservancy.org/seedcollectingtimes.html
Asclepias incarnata (Swamp milkweed) – Late September
