Milkweed, Butterfly WeedButterfly Weed is a tough, long season clumping native perennial with long narrow leaves. Its abundant clusters of bright orange or yellow orange flowers atop of its long hairy stems bloom from late spring well into summer. The flowers give way to prominent seed pods which are valued in dried flower arrangements. Unlike other milkweed varieties, the Butterfly Weed does not have milky sap in its stem. Drought and deer Resistant. Asclepias tuberosa is a