After it flowers. Just take off the dead flower heads unless you need to shape it. The less pruning the better.
Lilac that is trimmed at the wrong time will not flower. Prune after flowering, do not prune in spring.
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.
Many believed that the best time to prune Raspberry bushes are in the late winter or early spring. The plant should be over a foot before trying to prune the bush.
most spring blooming shrubs require pruning after the blooms are gone, but before fall.
what is the best time of the year to prune liveoaks
Lilac is considered an Easter color because in some areas, the lilac bush blooms at that time. Otherwise it is considered a feminine color or romantic color.
The best time to prune the Viburnum is right after they bloom. Trim above the node and the regrowth will appear natural.
When all the leaves have fallen, as the tree becomes less likely to be traumatised by the move.
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.
Best to prune outdoor juniper bushes in early spring(March or April in the northeast US) to allow ample time for regrowth before winter sets in. If you prune too close to winter, there's not enough time for the regrowth to occur and the bush could be damaged.
When is a good time to cut back azalea bush? No matter what time of the year my husband trims back the azalea bush it does not produce large number of flowers.