When To Trim Viburnum

Why Do You Prune Viburnum Maintenance pruning should be completed in early summer once the flowers have died back. Pruning to thin out the shrub should be done anytime from February until flowering begins. Hard pruning should be done in late March or early April so new shoots can grow during the season.

How much can you cut back viburnum?

Typically, viburnum shrubs should be trimmed back about a third of their size each year. Most pruning is done for shaping purposes only. However, old or overgrown shrubs may require some rejuvenation. Thinning out of unsightly branches can help open these shrubs up as well.

Can viburnum be cut back hard?

Hard pruning of viburnums is also commonly done in late winter or early spring while the plant is still dormant, but waiting until after the flowering period inhibits the growth of straggly water sprouts in favor of healthier, more substantial new branches. Total removal of old growth is not always necessary.

How do you prune a viburnum winter?

The best way of pruning this group, is to cut back hard, one in three or four stems back to a few inches from the ground or main support stem. Do this right after flowering, and in the ensuing years, again cut back the older stems – leaving the younger stems to form the new-look shrub.

Do viburnums bloom on old or new wood?

Viburnums bloom on old wood, meaning they form new flower buds during the summer that will open the following spring. If you prune viburnums in the late summer or winter, you’ll cut off the spring flowers.

How do you shape a viburnum?

To shape a viburnum, prune it lightly immediately after flowering. Remove the flower heads and cut back any branches that spoil the shape of the shrub to a pair of newly-sprouted leaves. Remember that removing the flower heads will preclude the formation of fruit, which can be very attractive in many viburnums.

When should I prune my viburnum Bodnantense dawn?

During the first spring after planting, cut back the main stems by about half their length to encourage strong new sideshoots near the base. Cut back established plants after flowering, removing one-third of the flowering shoots.

Should I deadhead viburnum?

Do this by lightly cutting back shoots after flowering. Deadheading and removal of dead, damaged and diseased growth can be done at the same time. Deciduous Viburnum – whether winter, spring or summer flowering – also fall within pruning group 8 and can be lightly pruned after flowering unless berries are required.

How tall do viburnum bushes grow?

Viburnums range from 3-foot-tall shrubs to 15-foot-tall trees.

How do I get my viburnum to flower?

Your mature viburnum needs full sun to bloom at its best and well-draining, acidic soil. Too much nitrogen in the soil, or added as a fertilizer, will encourage your bush to put out a lot of lush, vegetative growth instead of putting energy into forming blooms.

When should bushes be cut back?

Not all trees and shrubs should be pruned in the winter or early spring, however. Generally speaking, shrubs and trees that bloom on new growth should be pruned in the winter and early spring, while those that bloom on old growth should be pruned in late spring or summer (i.e., after their flowers fade).

How do you prune a viburnum tree?

This shrub or small tree flowers on old wood, so do not prune until after it flowers. Then prune it as necessary to thin out old branches, open up the shrub, reduce height or develop a better shape. To remove a branch or stem, make cuts a quarter inch from the point where they intersect another branch or the trunk.

How do you train a viburnum into a tree?

Insert a strong stake, like a tree stake or rebar section, beside the main stem. Insert one stake for each stem on a multi-trunk tree. Tie the stem to the support. As the shrub grows, rub out or clip any small sprouts that appear along the trunk.

Do viburnums need fertilizer?

Viburnums are hardy growers and do not require a lot of fertilizer. Unless your soil has a deficiency, you may not need any fertilizer at all. A simple soil test can determine the quality of your soil. It is important to apply the correct fertilizer which will help promote healthy foliage and flowering.

What is the best fertilizer for viburnum?

Blood meal is a smart choice to apply in late winter or spring, as it breaks down rapidly to sweeten the soil for flowering. Later, alfalfa meal, compost, rotted manures and fish emulsion are all safe choices for fertilizing viburnums.

How long does a viburnum live?

Healthy Characteristics. Sweet viburnums should live between 50 and 150 years, according to the Cal Poly San Luis Obispo Urban Forest Ecosystems Institute.

How do I look after a viburnum?

Most viburnums prefer full sun but many will also tolerate partial shade. While not particularly picky about their growing conditions, they generally prefer fertile, well-draining soil. Planting viburnum takes place in spring or fall. Dig a hole as deep as the root ball but at least two to three times wider.

Does viburnum lose leaves in winter?

As for viburnum, there are more than 150 varieties. Some are deciduous, meaning they lose their leaves during winter, while others are evergreen and retain their leaves year-round. All viburnums should be planted in well-draining, slightly acidic soil with lots of organic matter.

How do you look after viburnum Bodnantense dawn?

viburnum Position: full sun or partial shade. Soil: moderately fertile, moist, well-drained soil. Rate of growth: average. Flowering period: November to March. Hardiness: fully hardy. Garden care: After flowering prune established specimens, removing up to one in five of the oldest and weakest branches to the base.

When should Eucryphia be pruned?

Although these plants require pruning every now and again, they are extremely low maintenance and are generally pest and disease-free. Pruning should be carried out in mid to late spring if required and should be done to keep the plants manageable – beyond this, little or no pruning is needed.

How do you prune Ribe bushes?

How to Prune Ribes A general trim back to shape – but bear in mind that growth will be quite rapid after pruning, so a light prune might not be enough. Prune back hard – The other way in which to grow a spectacular Ribes shrub, is to cut the Ribes back very hard each year – right after flowering!.

How do you prune a Shasta viburnum?

Remove one-third of the shrub’s oldest and thickest branches. Prune them to within a few inches of the ground using a small pruning saw. This will encourage a the viburnum to send out healthy new growth.