Cut these back all the way to ground level.
How to Prune Miss Kim Lilac Bushes. Step 1. Wait until early to midsummer, then examine the Miss Kim lilac bush for branches that have few or no leaves. Cut these branches. 12 rowsJun 17, Like other lilacs, 'Miss Kim' is most easily propagated with young softwood cuttings.
Take 4- to Botanical Name: Syringa pubescens subsp. patula 'Miss Kim'. Jul 24, Miss Kim lilac variety is best pruned following the decline of its blooms. You can remove all blooms down to the node they start at. Any branches that appear to be declining should be removed, with a sharp pruner or lopper down to the base of the tree. Miss Kim lilacs typically do not like drastic pruning.
Firstly you prune after flowering. That will preserve the blooms for next year on the parts you leave intact. Secondly you prune lilacs from their base. You take about a third of the oldest branches out by cutting them with a pruning saw at the base of the plant.
Aug 12, pruning miss kim lilac when she's gone crazy # Asked August 12,PM EDT Hi, i have a Miss Kim Lilac in a very small yard and she's about years old, it took years to bloom, but now does relatively well, though only one fabulous year.