Giant Bird of Paradise
Wondering if the roots of these plants are capable of pushing retaining wall out on slope where they are planted over time?
Certified GKH Gardening Expert
You are correct, giant bird of paradise has extremely strong roots that can damage nearby landscape elements. This article will give you more information: http://www.thecoastnews.com/2010/10/28/plant-giant-birds-of-paradise-correctly/