Photo of common milkweed flower cluster

    Common Milkweed

    Asclepias syriaca
    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of shining blue star flower cluster

    Shining Blue Star

    Amsonia illustris