Apr 02, Summer blooming shrubs such as summerweet (Clethra alnifolia) and blue mist spirea (Caryopteris x clandonensis) are pruned in late winter/early spring because their flower buds form on new wood produced during the current season. Spring flowering shrubs (those that bloom before mid-June) should be pruned after stumpgrind.buzzted Reading Time: 3 mins.
Jul 28, During the late summer months, shrubs need to be pruned for shape, size and airflow as well as to remove dead flowers.
By pruning we increase the vigor, longevity and the amount of blooms on your flowering shrubs. Some shrubs included in our summer pruning program are Deutzia, Spirea, Viburnum, Weigela, Barberry, Boxwood, Yew and Hydrangea, Estimated Reading Time: 2 mins. Pruning Late Summer blooming shrubs. Central Oregon Gardening - Oregon State University Extension Service.
April 11, Quick demonstration on pruning late. Jul 28, The first pruning, done in late January or early February, prepares rose bushes for the late-spring to early summer blooming. The second pruning is done in late August to early September and ensures shapely bushes with lots of flowers in the fall blooming season.
Pruning helps control the size of rose bushes and stimulates fresh, vigorous growth that improves. Nov 11, To avoid removing the buds that will flower the following year, prune these early-flowering shrubs as soon as flowers fade, which may be in early summer. Pruning in the mid- to late-summer.