Dalea purpurea Purple florets clustered around a cone-like bud bloom throughout the summer, June-August.
Campanula rotundifolia Loose clusters of delicate, blue or purple, bell-shaped flowers bloom intermittently atop slender stems from summer through fall.
Symphyotrichum novae-angliae Attractive, purple flowers with yellow centers have a long bloom period; making this perennial a welcome addition to your native garden.
Penstemon hirsutus Thin, tubular-shaped purple flowers bloom May-July, offering nectar for bees, butterflies and hummingbirds.
Eutrochium maculatum Tall, sturdy purple-colored stalks are tipped with large clusters of purple-pink flowers that bloom July-September.
Clinopodium vulgare Tiny pink-purple flowers whorl around the tips of each stem and tucked within each pair of leaves, taking turns to bloom.
Salvia Lyrata Lyreleaf Sage offers striking flowers, as well as patterned foliage, and is attractive to bees and butterflies.
Mimulus ringens Small lavender colored flowers bloom throughout the summer, offering a nectar source for bees.