Prune other clumps at 1/3 and 2/3 the plant’s height, and leave a quarter of the stems unpruned. The common species, Nandina domestica, is invasive in some areas.

Spring is the best time to prune nandina. The pruning rule of thumb for shrubs is to remove no more than 1/3 at a time. A few old nandina stalks can be cut to the ground. You could remove all the ...

1. Prune a third of the oldest stems, randomly spaced, completely to the ground. 2. Prune another third, again randomly spaced, halfway to the ground. 3. Lastly, leave the remaining third, unpruned.

Dwarf Nandina Updated: Nov. 05, 2009, 10:23 a.m. | Published: Nov. 05, 2009, 9:23 a.m. By Special to The Oregonian View full size Rene Eisenbart/The Oregonian ...

Nandina domestica 'Nana Purpurea' grows to only 18 inches tall and features foliage that turns a stunning reddish purple all winter long. Growing to 3 feet tall, lime-green leaved 'Moon Bay ...