How or can you grow a devils backbone outside?
Can You Grow a Devils Backbone Outside ?
Certified GKH Gardening Expert
These will only grow outdoors in zones 9 and 10. If you live outside of this tropical region, then your only option will be indoors. This article will give you their general care requirements: https://www.gardeningknowhow.com/houseplants/devils-backbone/devils-backbone-plant.htm