bright green leaves almost year-round, even indoors. This slow-growing plant can reach 3 to 6 feet tall outdoors or 2 feet as a houseplant. Crown of thorns grows best outdoors as a perennial in ...

As it grows, it develops more thorns. Narrator: A good knife ... Ruben Martinez: Daily, each of the employees has to fillet about 3,000 to 3,500 leaves. Narrator:... and lots of plants.