Whorled Milkweed Asclepias Verticillata Growing Tips
About Whorled Milkweed Whorled milkweed (Asclepias verticillata) is a perennial wildflower that grows to one to two feet (30 to 60 cm) tall on a single, unbranched stem. Whorled milkweed leaves give the plant its common and specific name. The narrow, needle-like leaves are arranged in whorls around the stem. Each whorl contains three to six leaves. Whorled milkweed flowers are small, greenish white and multiple. They grow in clusters of 20 or more on terminal axils....