Jul 08, Most flowering shrubs need regular pruning to keep them vibrant, and the common lilac (Syringa vulgaris) is no exception. Lilac bushes will typically flower without any effort from you.
However, if left to grow and spread on their own, common lilacs will eventually only flower on the tops of the uppermost stumpchop.buzzg: Concord MA. Method.
As soon as the lilac bush's flowers are dead, trim each flower stem back to the leaves, removing all trace of the flowers. This step stops the lilac from using its energy to make stumpchop.buzzg: Concord MA. Oct 06, Pruning Lilacs: When to Trim a Lilac Bush A common problem with amateur and experienced gardeners alike is the tendency to go heavy-handed with maintenance.
While a little care is required to keep plants healthy and strong, getting too happy with the pruning shears early in the life of flowers like the lilac results in stunted or dead stumpchop.buzzted Reading Time: 6 mins. Jun 19, The smaller varieties grow about ten to fifteen feet in height.
Many lilacs can grow thirty feet tall without regular pruning. Pruning lilac bushes on a regular basis keeps them from becoming too tall and unmanageable. My lilac tree and I say tree and not a bush because it is way over 10 feet tall, probably closer to 15 stumpchop.buzzg: Concord MA.
Lilacs bloom on newer growth, so the blooms will be on the new younger branches growing out from older trunks. Therefore as the bush gets older and older and puts out more and more new branches, since it blooms better on those newer branches, gradually the blooms are all way up high and unreachable to gather for stumpchop.buzzg: Concord MA.
Jun 10, 2. Nip off the long stems. Take a look at your lilac bush or tree and assess whether there are any extra-long but healthy-looking stems that need to be cut back.
Doing so will help the lilac keep its pretty shape. The process of cutting back the stems a bit is called tipping stumpchop.buzz: K. Mar 02, Deciduous plants used for foliage, such as cork bush (Euonymus alatus) and privet, can be treated similarly. As you cut them back, be sure to shape the plants somewhat wider at the bottom so sunlight can reach the lower branches.
For flowering shrubs such as azalea, rhododendron, and lilac, pruning before they bloom removes some flowering buds.