Why does my lilac bush not flower

Excessive fertilization, especially nitrogen, can often encourage lush vegetative growth at the expense of reproductive growth, or flower development. Skip to main content. Lack of flowers on lilacs. A pH imbalance or too much or too little of certain chemicals. You might want to have your soil tested. Sometimes, people use high nitrogen fertilizers, especially for their lawns, which will help produce green leaves, while hindering blooming. Too shady a site.

Without enough sunlight, the plant often will not bloom. Lilac bushes prefer full sun. Transplant shock. If you have fertilized your lilac bushes more than once and find that they aren't producing any blooms but still appear to be growing well, simply stop fertilizing the plants. Lilacs prefer well-drained soil. Like many plants, lilacs are prone to developing root rot if the soil is kept too moist and the plant may also show general signs of poor health.

Too much moisture in the soil may not directly relate to a lilac bush's failure to produce blooms, it can affect the health of the plant and healthy plants are more likely to produce flowers. If you find that your soil is too moist, take steps to drain it or simple transplant your lilac bush to a more suitable location. There are several reasons your lilac bushes and shrubs may have stopped producing blooms, so the first thing you need to do is get to the root of the problem.

These small lilac bushes have a good chance of blooming the year you buy them, and you can purchase them online through Nature Hills Nursery. Lilac shrubs need energy from the sun in order to grow shoots and produce buds that turn into flower clusters. If your lilac bush is getting too much shade, try digging it up, making sure to get as much of the root system as you can.

Then, replant it in an area of your yard that gets direct sunlight during the morning and afternoon. For more information about how to plant lilac bushes, head to this post. Your Lilac Bush is being over-watered and the area around it is not well-drained. Lilacs can grow successfully without too much fuss in the way of fertilizer and feeding, but they cannot survive in swampy, overly-moist soil. If you scratch at the stems of your shrub and it feels mushy, your lilac is rotting.

You are pruning your Lilac Bush incorrectly and at the wrong time. Learning how to prune your lilac bush is crucial if you want to see beautiful blooms in the spring.

For an in-depth post about how to prune lilac bushes, head to this post. Your Lilac Bush is overgrown and needs to be re-energized. Lilac bushes need new wood and shoots in order to produce flower clusters.

For more information on how to do this properly, head to me how to prune lilac bushes post.