My potted mandevilla has gotten too large. Can I split it in half & re-pot each half in a separate pot?
Can I Split the Root Stock of a Mandevilla?
Certified GKH Gardening Expert
Yes, you can split the root ball. The most common way to reproduce this plant is by new growth cuttings, but it will certainly be ok to split it. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-propagation.htm