May 27, The best time to prune your Viburnum snowball bush is after the flowers bloom in spring, since you can destroy next year’s flowers if you prune it too early or late.
Use a clean, sharp pair of shears to cut the oldest, thickest shoots 93%. Sep 21, Prune viburnum bushes in the spring as soon as the last flowers fade. Snowball bushes bloom on old wood or last season's growth. Pruning any time past late summer will risk removing precious bloom buds. Prune only after the bush has finished blooming. Blooms appear on the previous year's growth.
It is essential not to cut this prior to the arrival of spring blossoms. Dec 17, How to Prune Snowball Bushes. The term “snowball bush” is an example of the confusion caused by the use of common plant names based on appearance or features. Chinese viburnum (Viburnum.
Mar 26, Prune a snowball viburnum bush by sterilizing the equipment, cutting off flowers and cutting back the older branches before the fall. To complete this project, you need bleach, a bowl of water, two clean cloths and pruning shears. Apr 10, If you're training your Snowball Viburnum Shrub to provide a lot of blooms, prune it back in spring after it has begun blooming to encourage more growth.
On the other hand, if the branches have become too long and you're more concerned with shaping a mature bush, cut back one-third of the canes in fall to thin out the base. Cut or pinch the snowball blossoms as they expire, making room on the bush for new blossoms.