This species of milkweed is also known as White Butterfly Weed and Swan Plant. Native to Jamaica and South America, this perennial herb can grow to over six feet and prefers full sun and well-drained soil. It is a food source for caterpillars and is a food and habitat plant for the Monarch Butterfly. The small flowers are creamy white and orchid-like, followed by translucent, inflated 2″ green balls covered with soft bristles that are the resulting seedpods. It is a fast-growing tender perennial and grows best in Zones 7-10. Photographed at Green Spring Gardens in Alexandria, Virginia
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