Lilac Bushes
Q.

Why don’t my lilacs bloom? Can I move them if I have to?

Zone 4 | jmlong added on April 25, 2012 | Answered

One plant used to have a lot of blooms. One never has and I've had it for years. Might not get enough sun. Can I move it?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on April 26, 2012

The soil is probably lacking phosphorus. This is will affect blooming. This article will explain more: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm

This article will also help you:
https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-bush-not-blooming.htm

If the plants are not getting enough sun, then yes, this could be attributing to the lack of blooms. Should this be the case and you would like to move them to a more suitable location, now would be the time to do so. Otherwise, you'll have to wait until fall. If you can ensure that the majority of the roots and surrounding soil is lifted and replanted in suitable growing conditions, you'll have a greater chance of success. To reduce shock, trimming may help. Here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm

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