I have just read an article on hydrangeas, saying that some hydrangeas flower on the old wood? Eureka! Is pruning mine back each spring the reason why the bush has luscious green growth, but no flowers?
There’s still plenty of growing time left in the season, but some deadheading is necessary if plants are to resume good form and continue to bloom.
Pruning is a good way to rejuvenate tree peonies. It’s better to prune tree peonies in early spring, when their pink buds are prominent, but not yet open.
Although spring-flowering shrubs such as lilacs can vary in their bloom times, there’s far less leeway about when to prune spring flowering shrubs.
Japanese wisteria is a rampant woody plant that requires pruning twice a year in late winter and late summer to encourage flower buds. If your wisteria is a roiling mass of long stems, you’re facing a large and ultimately satisfying job with loppers and secateurs.