The summer lilac is very popular in the garden. Not only does it look beautiful with its umbels of flowers, it also ensures that some beneficial insects are attracted to it by its scent. Bees and butterflies are particularly fond of the nectar of summer lilac.
Buddleia mainly grows in shrubs, with the overhanging shoots forming the actual bush. Pruning may be necessary if the Buddleia is to retain its compact form as a shrub. The bush has to be pruned back vigorously in spring when the buds break open. It flowers only on one year old wood. So cut back every year.
How it works:
>> Cut the buddleia back to about knee height in spring. This makes it bushy and keeps its abundance of flowers.
>> You can remove all shoots, but you should not remove them, as the bush can suffer from them.
>> However, be sure to cut off all dead and diseased branches after winter. Preferably directly at the roots.
So the summer lilac can sprout and bloom again. You can give yourself further pruning throughout the year. TIP: It is not necessary to remove the withered flowers. Buddleia is actually an easy-care shrub that only needs pruning once, in spring.