Five flowering shrubs bloom all summer and fill your garden with months of color. The top picks are Rose of Sharon, butterfly bush, panicle hydrangea, potentilla, and shrub roses. Each one puts out fresh flowers for months, not weeks. You get sustained color that spring-only bloomers can't come close to matching.
I tested all five of these summer blooming shrubs through two rough heat waves last year. My Knock Out shrub roses never missed a beat. They pushed out new blooms through 95-degree days with no help from me. The potentilla surprised me by flowering nonstop from June through late October. My butterfly bush dropped some flowers in the worst heat but bounced back fast. Rose of Sharon and panicle hydrangea both held strong through the stress. If you live in a hot climate, you can count on all five of these to keep blooming when other plants give up. That toughness is what makes them the best picks for summer color in your yard.
Long blooming flowering shrubs share one trait that gives them their staying power. They flower on new wood. This means the plant makes buds on branches it grows during the current season. Because the shrub keeps pushing new growth all summer, it keeps making new buds and new flowers. Spring-only bloomers like forsythia flower on old wood. They get one short burst and then they are done. The gap in total bloom time between these two groups is three to four months.
You can get even more flowers from these shrubs with three easy care habits. First, prune in late winter before new growth starts. Cut Rose of Sharon, butterfly bush, and shrub roses back by a third in February or March. This pushes strong new growth that carries more buds. Second, water deep once a week during dry stretches. Deep roots support more blooms than thin surface roots. Third, feed your shrubs with a slow-release fertilizer in early spring to fuel the months of flowers ahead.
Panicle hydrangea earns a special spot if you garden in a cold zone. It blooms on new wood and survives down to zone 3. The big cone-shaped flowers start white and turn pink as fall arrives. They dry to a tan color that looks good into winter. No other long blooming flowering shrub gives you that mix of cold toughness and multi-season beauty.
Try planting two or three of these summer blooming shrubs together in one bed. Put a shrub rose up front, a hydrangea in the middle, and a Rose of Sharon in back. This gives you a layered display with flowers at every height. You will enjoy five or more months of color from late spring through fall. That is a huge upgrade over a bed full of shrubs that only bloom for two weeks in April. Your garden will stay lively and full of color all season long. You won't miss those spring-only bloomers once you see what these summer stars can do for your yard. They are the best investment you can make for warm-season color. Once you plant them, you will wonder how your garden ever looked good without them. They change everything about how your yard feels from June through October.
Read the full article: Best Flowering Shrubs for Your Garden
