44+ Lilac Bush Fertilizer Images. While you may also use bush fertilizer stakes, make sure to follow the directions for placement. Many of the newer lilac varieties grow quickly and might need pruning starting in their fertilize the plant with compost or a balanced fertilizer to prompt new growth.
If your lilac bushes have been left to their own devices for far too long, prune the entire shrub to about six or eight inches off the ground.
Always fertilize lilacs with a closely balanced fertilizer. Lilac bushes originally grew in ottoman gardens and were introduced to european gardens in the 16th century. California lilac, mountain lilac and wild lilac aren't true lilacs, but actually belong to the genus ceanothus. Elizabeth asks, our lilac bushes are sprouting from the roots.
