Feb 10, Home gardeners can choose between two different pruning methods. One way to renew a large, overgrown lilac is to cut the entire plant back to within 6 to 8 inches of the ground in late winter (March or early April).
This severe pruning will induce a large number of shoots to develop during the growing season. Oct 05, There are 21 lilac species and more than 2, named cultivars. Not all of them are suited for pruning into tree form.
While the tree lilac (S.
Jun 17, The lilac may benefit from pruning using the"1/3 method". which is to remove one third of the mature stems to their point of origination each year for the next three years (thereby rejuvenating the entire plant). Afterwards you remove one or two mature stems each season to maintain size and shape. jimmyq, Mar 30, 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 plants. Aug 27, Dieback on common lilac due to fungal infection. Syringa vulgaris, the common lilac, is reportedly the most affected species. S.
reticulata the tree lilac, is also treefelling.buzzr specific cultivars are affected more than others is unknown mainly because most people don't know the cultivar.