For most shrubs, late winter or early spring is the best time to prune. The plants are still in full dormancy at this time but are just preparing to produce new growth. If your shrub is a spring-blooming variety, though, make sure to leave behind enough flower buds on.
The best time to prune or trim trees and shrubs is during the late winter while theyre dormant. Hebe Tricolor is one of the less hardy types of Hebe shrubs that will probably have to be cut back quite hard after a hard winter.
Take out half the old stems that remain from pruning and prune back the other stems depending on flowering time as follows. The best time to rejuvenate large, overgrown shrubs is late winter or early spring (March or early April).
Heavy pruning in late winter or early spring will reduce or eliminate the flower display for 2 or 3 years. However, rejuvenation pruning will restore the health of the shrubs.
Also know, is it too late to trim bushes? Plants to Prune or Cut Back in the Spring Any shrubs that bloom especially early in the spring should be pruned following their first (finished) bloom of the season. This helps to prolong the blooming period for these particular plants and is really one of the only exceptions when it comes to pruning plants in the spring. Feb 08, Plants including Buddleia davidii, potentilla, fuchsia, dogwood and wisteria can be tidied up now.
Buddleia davidii is a vigorous shrub, which comes back stronger, so cut the stems down to 20cm high. Cut old wood back hard - it looks rougher and darker - to a low bud encourage strong new growth which will bear flowers in the same year. Apr 23, When Can I Cut Back Evergreen Shrubs - This will give the plant plenty of time during the following growth season, to provide new flowering growths ready for the following year. Cutting off the tip, or growing point, of a plant is called heading or heading back.