Crown of Thorns

The crown of thorns is a plant that belongs to the same family as the poinsettia. Known to botanists as Euphorbia milii, they are hearty evergreen plants that grow well in containers and beach soils. They are hardy evergreen plants with rounded leaves. The flowers can be yellow, red, orange, white or pink. This plant can grow up to 4 feet wide and 6 feet tall. It gets its name from the sharp thorns found on the stems.