Cleome, or spider flower plant, is a tall, multi-stemmed annual with 4- to 6-inch blossoms that continuously bloom for weeks in summer and fall. The 8-inch mass of white, pink or purple blossoms produce long thin pods that are filled with seeds. Reseed heirloom cleome flowers to attract butterflies and hummingbirds or simply for your own enjoyment. These versatile plants can be started indoors six weeks before your normal planting season.
Harvest the darkened seed pods from the mature plant by snipping them off with shears. The pods will be dark brown, nearly black and may have begun to split open.
Open the pods and sprinkle the seeds on to a plate, paper towel or tray. Let the seeds air dry for at least 24 hours.
Pour the dried seeds into a dry, clean glass jar or in an envelope to be placed into a sterile plastic covered container.
Label the storage container with the words "Cleome seeds" and the date of harvest.
Store the containers in a cool, dark and dry place.