Asclepias verticillata – Whorled Milkweed sports pure white inflorescence with a long bloom time, June throughout the summer until autumn's threshold. This is another important food source for Monarch Butterflies. Leaves are soft, plentiful and needle-like growing approximately 2 to 3 inches long. Considered to be an early succession species finding and filling empty spaces. It is a sun lover. It can be found in a broad range from Central Canada south to the Gulf of Mexico, stretching to the Eastern U.S. Seaboard. Average draining soil will satisfy it. Established Whorled Milkweed from division.