(Cleome hassleriana) Hardy annual to 4-6 feet tall. The shrub-like plants are topped by large open clusters of intriguing flowers, blooming late summer and into autumn. Color of this South American native ranges from white, to pink to dark reddish purple. Thrives in heat, tolerates some drought, self-sows where conditions are favorable. Imposing at the back of the border, or when grown in large containers. And the bees and butterflies do love it!