Q. My crown of thorns planted as a patio border have grown too tall. Can I cut it back, and when? A. First, here is a bit of trivia. Did you realize the poinsettia and crown of thorns are relatives?

Crown of thorns is a pretty and thorny succulent tropical shrub. It blooms almost year-round in a variety of colors including red, yellow, and white, and has thick, vibrant green leaves. Though it ...