Grown By North Creek Nurseries.  Mid-Atlantic Native Eco-Type.  Landscape ready plugs. 
50 plants per flat.
 
Pycnanthemum flexuosum info from Missouri Botanical Garden
Common Name: Appalachian Mountain Mint
Type: Herbaceous perennial
Family: Mountain Mint
Native Range: native
Zone: 5b+ (USDA minimum)
Height: 3 feet
Spread: 3 feet
Bloom Time: from mid summer to mid fall
Bloom Description: Silver ball
Sun: full sun to partial shade
Water: dry to moist
Maintenance: 
Suggested Use: Accent, Massing, Garden, Container
Flower: Showy
Attracts: bees, butterflies
Fruit: 
Tolerate: Pollution (high), Deer