provide your garden with structure and fragrance. However, when the plants are fully mature, an occasional thinning out of the old worn out branches may well be helpful in encouraging more subsequent flowering. Wait until after flowering is finished to cut back stems to the strongest buds. Deutzia is not particularly vulnerable to any pests or diseases. You will want to prune out all dead growth. See my full article for more information on the best time to prune shrubs. Also I want to reduce the height by about 3 ft( 1 mtre) but this would get rid of most of the foliage. Deutzia: Same as for elaegnus; Should I expect any flowers? The correct time to prune dwarf deutzia is right after it finishes flowering since it's one of the shrubs that bloom on old wood. The slender deutzia (Deutzia gracilis) is a low-growing shrub that's native to Japan. If you wait to prune them in July or later you will be cutting off the flowers for next year because they bloom on old wood. Top prune the plant to remove any old flowers but don’t remove more than 1/3 of the plant. Pruning: Deutzia blooms on the previous year's growth (known as "old wood"). Deutzia pruning My deutzia is tall (about 12ft- 4mtrs).It is woody for the first half of its height & is very dense (many stems from the base). Deutzia is deciduous and grows in a mound, from 2 to 4 feet tall and across. I would like to get some new growth at the lower level. Prune any time after flowering up until early summer, aiming to create an elongated vase shape. Pruning your Deutzia should be done right after flowering. These plants can also readily be cut back hard if necessary in a border when they are dormant. Every year you should prune about 3 of the oldest canes to the ground. Deciduous shrubs that flower in late winter, spring and early summer need annual pruning to encourage strong, healthy shoots and improve flowering. Elaegnus: There won't be any flowers next year. No pruning of deutzia is normally necessary. How Do I Care for Dwarf Deutzia? Without regular pruning, viburnums such as Viburnum tinus and Viburnum davidii can become woody and lacking in vigour. Deutzia: Same as elaegnus. Annual pruning will keep this shrub looking tidy; it gets shaggy and leggy if left untouched. This little shrub is smothered with flowers in late spring. They rarely inspires visitors to gasp in admiration, but deutzia shrubs (Deutzia spp.) If you prune your plant before it has bloomed in the spring, you may be removing flower buds. Don't expect flowers for the next few (2-5) years. Such plants fall into RHS Pruning groups 2, 3 and 5 . Annual pruning also prolongs the life of these early-flowering shrubs. What Is a Deutzia Shrub?. The plant will concentrate energy into regrowing the removed growth. Other than watering the plant, care consists mainly in pruning it. Start by removing the upper part of the stem, then, with the main weight gone, it’s easier to cut it to the base. There is no need to deadhead. In late winter or early spring, cut away dead stems or stems that were broken over the winter. Deutzia blooms on old wood, so pruning should be done right after the shrub is done flowering.