Groundcovers, herbaceous perennials, shrubs, trees, and vines can all survive on green roofs.
GREEN ROOF FACT #2
By introducing a supplemental root-barrier layer, many green roofs can be installed in conjunction with many waterproofing materials that are not root resistant, so before you start doing any work on your roof, consider getting a roof repair to get rid of any damages you may have.
Engineered to endure. Proven to perform. Guaranteed to last.