Mar 10, Taller, ordinary nandina grows lanky and bare at the bottom over time. Pruning restores a full and compact look. Using hand pruners (never hedge shears), renew neglected clumps by cutting one-third of the main stalks to the ground every year for three bushlop.buzzted Reading Time: 50 secs.
Best time for pruning Nandina is in early fall, after you’ve enjoyed her bloom and growth. Early fall is a good time to help her prepare for next season. Remember that your Nandina has invested all of her energy in your garden over summer, so now it’s time for you to let her crawl slowly into dormancy, rest, and prepare for next seasons challenges. Oct 25, Prune the oldest, longest stems to a third of their length. Cut the next couple of stems down to half their length. Trim the rest of the stems to a quarter of their original length.
Intermix cuts to give the bushes a fuller look. If you are working on an older plant, prune one-third of the old growth%(46). Feb 27, The best time to prune nandina is in winter, when it is dormant. As far as how, the folks at Texas A&M University recommend cutting about a quarter of the stems down to the ground. Then cut a third of the total stem height off one out of every four remaining bushlop.buzzted Reading Time: 30 secs. Nandina bushes are naturally long and spindly.
Caring for them is simple but the technique from pruning their branches requires good timing.
Dale Skaggs reco.