To prune a dwarf Korean lilac bush, start by removing dead or damaged branches. Then, trim back any overgrown branches to maintain a compact shape. Avoid cutting back more than one-third of the plant at a time to prevent stress. Prune in early spring before new growth appears for best results.
You deadhead a lilac after the blossoms turn brown.
You should prune a lilac before it starts to bud out in the Spring. To encourage new growth, this is the best time. For shaping, anytime the plant is dormant, has lost its leaves, will work.
Lilacs may not bloom due to factors such as insufficient sunlight, improper pruning, inadequate nutrients, or harsh winter weather. Ensure your lilac bush is receiving at least 6 hours of sunlight per day, prune it after it blooms, fertilize with a balanced fertilizer in early spring, and protect it from extreme cold.
Lilac bushes can be pruned in the late winter if the bush is overgrown. However, lilacs should be lightly pruned in early spring after they have finished blooming.
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You can, but if you do you will lose next Spring's flowers.
After it flowers. Just take off the dead flower heads unless you need to shape it. The less pruning the better.
New lilac bushes don't require maintenance pruning until they are about 6 - 8' tall. The time to prune mature lilac plants is just after the flowers have faded. They set the next season's flower buds almost immediately, so late pruning will mean sacrificing next year's flowers. Pruning early also gives the new shoots more energy to develop.
Your English is incorrect, should read, "How do you prune an olive tree?"
yes
prune them
To effectively prune dwarf cherry trees for healthy growth and abundant fruit production, start by removing dead or diseased branches. Next, thin out crowded areas to improve air circulation and sunlight penetration. Prune in late winter or early spring before new growth begins. Aim to maintain an open center shape and prune to encourage lateral branching. Avoid over-pruning, as this can reduce fruit production.