If there is less than one inch of rainfall in.
Jun 26, Cut it down! Seriously, drastically cut it back to the ground and get almost all new shoots! Then those new shoots will have blooms and we are back to blooms Estimated Reading Time: 4 mins.
Home gardeners can choose between two different pruning methods. One way to renew a large, overgrown lilac is to cut the entire plant back to within 6 to 8 inches of the ground in late winter (March or early April). This severe pruning will induce a large.
Apr 02, If you are pruning lilac trees or shrubs entirely to within inches of the ground, it is best to do so in early spring. New shoots will develop during the regular growing season as long as there are a few healthy shoots left. Once the growing season has ended, remove any unsightly shoots.
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Jul 08, If you can't stand the look of your old lilac or you just want a quicker approach, you can take the drastic measure of cutting back the entire plant to about 6 to 8 inches above the ground in the early spring. Fertilize the plant with compost or a balanced fertilizer to prompt new growth.
Jun 14, Take cuttings of lilac bushes from tender new growth in late spring or early summer. Mature growth is less likely to root. Take several cuttings to increase your chance of success.
Take cuttings in the morning when the weather is cool and the plant is well-hydrated.