Scotts Turf Builder Weed and Feed Fertilizer 11.32lbs DI Smart Automatic Watering System ZZ plant propagation, Cut the tips of the stems and place them in water to root. After a few weeks, roots will start to form., Pot them into a soft, airy soil mix and allow the rhizomes to develop This is not your grandma's rhododendron Vireya Rhododendrons are tropical epiphytes which means they can't handle cold temperatures but can grow on trees or rocks (basically they are really easy to take