"Chocolate to maroon blooms on long stems. From the Spencer series. Dark, dramatic flower color. Plants produce 3–4 blooms per 9–12" stem. Very lightly fragrant. NOTE: Spencer series sweet peas are known as late-flowering because they require at least 12 hours of daylight" ~Description, photo, and seeds from Johnny's Selected Seeds. They are an amazing resource for seeds, growing supplies, and reliable information, so it would be worth your time to check out their site! 72–96" tall