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Pycnanthemum flexuosum
Pycnanthemum flexuosum
Common Name: Appalachian mountain mint

An aromatic, summer blooming, herbaceous perennial that produces silvery white, globular flowers on sturdy, upright stems. Blooming over a long period, flowers are prominently displayed above clean green foliage from summer into fall. A good soil stabilizer, this species spreads moderately via underground stem. Foliage develops an attractive red tinge in autumn. A larval host plant for the Gray Hairstreak Butterfly. Incorporate along the perennial border, rain garden, or near the vegetable garden to entice pollinators.

Height: 2-3 Feet
Spread: 3-4 Feet
USDA Hardiness Zone: 4-8