Flowering Perennial


 
Echinacea purpurea
Purple coneflower

Tall showy inflorescence with purple ray flowers and yellow disc flowers.

Eryngium aquaticum
Marsh eryngo

Tall herb of the water's edge; purplish-blue flowers in summer.

Eupatorium perfoliatum
Boneset

Tall robust herb with white flowers.

Eutrochium fistulosum
Joe-pye weed

Tall robust herb with large heads of small purple flowers.