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This article was co-written by Steve Masley. Steve Masley has designed and maintained organic vegetable gardens in the San Francisco Bay Area for over 30 years. In 2007 and 2008, Steve taught Local Sustainable Agricultural Practices at Stanford University.
This article has been viewed 1,310 times.
The brightly colored and fragrant lilacs are fairly easy to grow in most regions. Whether as a shrub or small tree, lilacs need regular pruning to keep their proper shape and size. To prune your lilac, start in the spring: cut fresh flowers for a decorative bouquet, cut off the longest branches, and trim weak branches at the base of the tree. Avoid pruning the tree in the summer or fall, as this can limit plant growth.
Steps
Annual pruning
- This type of pruning is also known as flower cutting. In addition to cutting flowers as soon as they are in full bloom, cut away dead flowers.
- Cut just below the calyx.
- You can disinfect your tools before pruning to avoid spreading lilac dust simply by wiping them down with a disinfectant spray or rubbing alcohol. [1] X Research Source
- This means that you will trim off the branches outside the blooming part and cut to where the side shoots are growing.
- If a long branch does not have side shoots growing near the base of the tree, cut to the nearest eye or bud where new shoots will grow.
- Pruning will stimulate the lilac to sprout new, healthy, luxuriant buds near the cut.
- If you prune the plant in the fall or winter, your lilac will probably not bloom at all.
Rejuvenating lilac
- Inspect the plant in early spring, before the tree grows back. This is the best time of year for more intense pruning.
- You need to remember that pruning to rejuvenate the tree will lose the mature shoots that can bloom the following spring. But if you sacrifice this flowering season, you will be rewarded in the following seasons with new shoots and more beautiful flowers.
- If you find that your lilac is a graft, be sure not to cut below the graft.
Advice
- If you see a flower wither earlier than the flowers on other branches, cut the dead flower before the others. This will help the plant bloom next year.
- As soon as the flowers bloom, start the pruning process by cutting a few flower stems to decorate the house.
- Hedge pruning shears are just as effective as pruning shears, but using hedge shears can make the tree unattractive by being over-trimmed.
Warning
- Do not remove too many branches. A general rule of thumb is to cut off about a third of the branches and keep a balance in removing old and new branches. Old branches will give flowers, so you should keep plenty of branches around. However, pruning all new branches will result in the plant not blooming in the future.
Things you need
- Tree pruning scissors
- Small garden saw or hand saw
- Garden Gloves
This article was co-written by Steve Masley. Steve Masley has designed and maintained organic vegetable gardens in the San Francisco Bay Area for over 30 years. In 2007 and 2008, Steve taught Local Sustainable Agricultural Practices at Stanford University.
This article has been viewed 1,310 times.
The brightly colored and fragrant lilacs are fairly easy to grow in most regions. Whether as a shrub or small tree, lilacs need regular pruning to keep their proper shape and size. To prune your lilac, start in the spring: cut fresh flowers for a decorative bouquet, cut off the longest branches, and trim weak branches at the base of the tree. Avoid pruning the tree in the summer or fall, as this can limit plant growth.
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