The best summer shrub for pollinators is the crape myrtle, with native summersweet and buttonbush close behind. A crape myrtle in early August hums with bees while the perennial bed nearby has gone quiet for the season. That gap is the whole point. Late-summer bloom is when shrubs that attract bees matter most, because so few other flowers are still open. I steer people toward shrubs for this exact reason.
Your crape myrtle gives bees a heavy meal right when they need it. Native and honey bees both work the flowers hard through July and August. Carpenter bees and small native species join them on your shrub too. Most of your garden has stopped feeding bees by then. A shrub that blooms late fills a real hole in their food supply, and that single change in your yard can keep a colony fed through the slow weeks of summer.
Not every crape myrtle pulls in the same crowd, though. A University of Georgia team watched bees on 40 crape myrtle cultivars across 2015 and 2016. The two most visited by bees overall were Seminole, a large shrub with pink flowers, and Victor, a small one with red flowers. Bumble bees showed up most often on Apalachee, a tall lavender pick. I point gardeners to that study because it takes the guesswork out of your choice. The exact plant you buy changes how many bees you feed.
Flower color is a useful cue when you shop. Bees lean toward dark pink, dark purple, and white blooms over the pale shades. Pick a cultivar in one of those colors and you tilt the odds in your favor. It costs you nothing and the bees notice. I always check the bloom color on the tag before anything else.
Crape myrtle has one catch worth knowing. It loves heat and lives best in warm zones, and a hard winter can knock it back to the ground. The roots often resprout, so the plant survives, but you lose a season of bloom. That is why you should not lean on a single shrub alone. A mixed planting keeps food coming even if one plant takes a hit.
Summersweet (Clethra alnifolia)
- Bloom time: July into August, right in the late-summer gap when bees run short on forage.
- Bonus trait: Fragrant white spikes that draw bees and butterflies from across the yard.
- Range: Hardy in zones 3 to 9, so it works far colder than crape myrtle does.
Buttonbush (Cephalanthus occidentalis)
- Best spot: Wet or low ground where most shrubs rot, making it perfect for a rain garden.
- Flower shape: Round white pincushion blooms that bees cover all summer long.
- Habitat value: Feeds pollinators and supports wildlife at the same time.
Bottlebrush buckeye (Aesculus parviflora)
- Bloom time: Big white spikes in July when little else is open for bees.
- Size: Reaches 8 to 12 feet and spreads wide, so give it room to grow.
- Forage role: Rated excellent pollinator pasture by extension experts.
These natives bring more than nectar to your yard. Several act as host plants where butterflies lay their eggs and your caterpillars feed. A crape myrtle alone cannot give you that piece of the puzzle. Summersweet also brings a sweet scent to your garden, and buttonbush thrives in the wet, low spots where most of your other shrubs would rot. Each one earns its place in your beds for a different reason.
So pair them up. Plant one showy crape myrtle for the heavy late-summer nectar. Then back it with two or three natives for habitat and a wider bloom window. The best crape myrtle for bees is Seminole or Victor in a warm zone. The natives keep the whole season busy and feed the next generation. That simple mix brings the most bees and butterflies from spring straight through fall, and it gives them both a meal and a place to live.
Read the full article: 13 Best Summer Blooming Shrubs
