Desert smoke tree (Psorothamnus spinosus) is an unusual, spinescent tree which often defies what we consider as a tree, though it often has a trunk and a canopy. This almost leafless, spiny How to Plant and Grow Smoke Tree or Smokebush Castor Plant Seeds (Ricinus Communis) 10 Seeds (6 grams) Mole Plant 30 PURPLE SMOKE TREE Shrub Smokebush Cotinus Coggygria Rhus Cotinus Su Seedville USA Continus Coggyria 'Smoke Tree' Seeds D&H Seed Harvest Co