Coleus Color Spectacular! What’s not to love about a genus that produces colors from gentle butter yellow to shocking magenta, with leaves that range in shape from simple ovals to frilly triangles—especially when coleus plants are so easy to grow that each pot should bear the slogan, “Just add water”? In fact, with the wide range of selections available, the most difficult part of growing coleus is choosing one. Below are some TLC selected varieties. Coleus have historically