Modern Marginata Dracaena
Dracaena marginata is a low-maintenance houseplant that has few problems. The "Tricolor" cultivar, commonly called rainbow plant or rainbow tree, has cream and yellow stripes on narrow green leaves. With good light, dragon trees can grow up to 18 inches per year for the first few years, and may reach a height of 10 to 15 feet. Dragon tree is toxic to dogs and cats.