How deep are cotinus roots?
Smoketree roots grow around 36 cm deep and at least 30 to 61 cm in diameter. Smoke Tree Spacing Larger varieties that grow 10+ feet tall and wide should be planted at least 10 feet away from structures and other plants. Smaller dwarf varieties that can be planted as hedge or in groups can be planted a couple feet apart, allowing them space to grow while also creating that hedge look.Smoke bush becomes more drought tolerant after the plant becomes well rooted. If planting in containers, use one dwarf plant per 35 cm (14-inch) pot. Smoke bush is sometimes used in outdoor bonsai.