It's not necessary to prune a mandevilla plant, but if it gets a little unruly, it's fine to snip it back into shape. You should wear gloves while doing this because the milky sap can irritate the ...

Read more: Plants You Shouldn't Grow Right Next To Your House Before moving your mandevilla plant indoors, you'll need to give it a haircut, so to speak. Prune your plant back until it's about 12 ...