If the stems are diseased or are insect-infested, bag them up and discard.
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. Make cuts at a 30 degree angle just above a joint or bud. Sep 21, You can prune European cranberry bushes immediately after flowering, which will decrease the number of berries, or after the fruit falls from the bush in early winter.
The European cranberry bush (Viburnum opulus) is a deciduous multi-stem shrub. European cranberry bushes have an upright form, but larger varieties tend to spread with age. After the plant begins bearing regularly, usually in the third year, rake lightly in spring just before growth begins. Lift and cut long runners- this will encourage uprights to form. Only prune long runners, not uprights. Remove any dead or damaged growth. 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.
Do not 2. Examine the shrub to gauge whether or not if it is overgrown and to look for the oldest, most unproductive. Sep 21, These shrubs rarely need pruning, but when they do, timing is everything! Cranberry viburnums flower in spring, produce bright red berries which persist for months, and the foliage puts on a colorful show in the fall.
You'll want your pruning to interrupt this performance as little as possible. With your viburnum, you can prune in late winter/early spring before new growth develops.