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 ...

Don Kinzler writes: "We can help our wintered plants prepare for another outdoor growing season with a few simple tips." ...

trim the whispy, weak vine growth back to a point where the growth is well-branched and strong. On average, our own mandevilla requires about one-third of the plant’s current size to be pruned back.