Red Clover Seeds (Trifolium pratense)
This perennial is grown in Canada and most of the U.S. except the Great Plains states and the southwest.
It is planted both alone and within existing grass stands. Red clovers are divided into three types used in US.; Early flowering (medium), late flowering, and intermediate forms. Red clovers grow best in summer temperatures are cool (not hot) and moisture is sufficient throughout growing period. Northeastern states are best of this crop. Growing in Southeast is is best used as a winter annual. In the Northeast states it usually requires irrigation. Spring seeding works best.