Considered a large and hardy deciduous shrub with a moderate growth.

Sep 21, The flowers are produced on the current season’s growth, so Highbush Cranberries should be pruned in early spring before new growth appears. Cut limbs smaller than 1/2 inch in diameter with hand pruners. Use lopping shears for limbs up to 1 inch and a pruning saw for larger limbs. Corrective pruning, removing diseased and damaged branches, should be done as needed throughout the year. Major pruning can be done in late winter before growth begins or after flowering in spring.

Dormant pruning is best for the plant, while pruning after flowering allows you to enjoy the spring floral display before doing the needed pruning.

It does not begin to produce fruit until approximately five years of age.

Avoid pruning after August first. How to Prune Viburnum Trilobum. 1. Prune an American cranberrybush just before the buds swell in late winter or early spring, or wait to prune it immediately after flowering.

How and when should I do that?

Do not 2. Examine the shrub to gauge whether or not if it is overgrown and to look for the oldest, most unproductive. Dec 14, American cranberries grow and produce just fine without pruning, but they grow into massive plants. You can keep them smaller by pruning in spring after the flowers fade. If you’re fine with a huge plant, you might want to do a little pruning at the tips of the stems to keep the shrub. Viburnum, includes Highbush Cranberry (Opulus and Sub S.

Triloba), Nannyberry, Blackhaw, Doublefile, Korean Spice, Juddi, Arrowwood and Wayfaring Tree. These shrubs should be pruned after they have bloomed. Shape and thin as needed but, keep in mind that you are removing this autumn’s fruit. As the plant matures, renewal pruning will be needed.