75-85 Days to maturity. Cleome serrulata. Rocky Mountain Bee Plant Seeds. Non-GMO, annual. Also called wild cleome or spider flower, this is one of the beautiful flowers recorded by Lewis and Clark on their journey. It lives just one year, but it can easily re-seed itself if the seeds fall on bare soil. This striking plant can sometimes reach five feet tall with spidery clusters of blooms in pinks and purples. Perfect for a native flower or a pollinator garden. About 3,300 seeds/oz.