If you planted a lilac bare root, then you’ll need to be patient! Lilac bushes bloom best on younger wood and, if your lilac is mostly old wood, the number of blooms will be reduced. Lilac bushes take about 4 to 5 years to start blooming because that’s how long it takes for this shrub to mature and the gain the strength it needs to produce blossoms.

What Time of Year Do Lilacs Bloom?. There is not much that you can do to prevent this; just accept the loss and appreciate next year's blossoms twice as much.

They can handle a handful of 10-10-10 in late winter, but no more. There are two approaches for integrating companion plants, shrubs, and bushes with this reblooming lilac.

Trim the bush to shape it, and remove suckers at the same time. The common lilac (Syringa vulgaris) is a very cold-hardy plant, but if a hard frost or a freeze comes along just as the flower buds are about to open, they can be damaged.This results in the loss of blooms for that year.

Your Lilac Bush is Still Too Young to Produce Blooms. First, pair it with perennials and shrubs that bloom along with the lilac flowers in early spring, like bleeding heart, Solomon's seal, Siberian iris, catmint, and azalea. After your lilac bush has finished blooming, spread some lime and well-rotted manure around the base. You will need to do a rejuvenation pruning on the tree, which will affect the blooming further for 2-3 years, but after that the lilac bush will return to full blooming. Blooming in spring with a burst of color and filling the air with their floral scent, lilacs are one of the first plants to awaken in the garden after the long winter. Lilacs won’t bloom if they’re overfertilized.

Lilacs are hardy, long-lived plants that are easy to grow. 2. Big, beautiful and fragrant flowers makes the lilac one of the most recognizable and well known of the flowering shrubs. When lilacs (Syringa) bloom in spring, the large, heavy wands of flowers add abundant color to the landscape and scent the air with fragrance. Pruning Lilacs