Campanula rotundifolia Loose clusters of delicate, blue or purple, bell-shaped flowers bloom intermittently atop slender stems from summer through fall.
Hydrangea arborescens White flowers bloom in May-July, attracting pollinating bees, wasps and beetles to this small shrub.
Goodyera pubescens Blue-green evergreen leaves and spires of white flowers on this native orchid make it a unique addition to your garden.
Penstemon hirsutus Thin, tubular-shaped purple flowers bloom May-July, offering nectar for bees, butterflies and hummingbirds.
Solidago flexicaulis Clusters of small yellow flowers appear August-September, and are attractive to bees and butterflies.
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.