Greenovia succulent is evocative of roses, with similar layered petals and curved form. The rose-shaped succulent called Greenovia dodrentalis is an example of this form and is in the family Crassulaceae. These tiny, rare plants are hard to find, but if you do get a hold of one, make sure you know how to grow greenovia so your unique discovery will thrive. Greenovia are tiny little plants, only about 6 inches (15.2 cm.) tall at maturity. They are found in the eastern and western parts of Tenerife in the Canary Islands. The wild plants are in danger due to over collection and tourist activities.