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Pycnanthemum flexuosum (Appalachian mountain mint)
Species Distribution Map: Click to enlarge
Map Color Key © 2013 BONAP

Pycnanthemum flexuosum

Appalachian mountain mint

(syn. Koellia hyssopifolia)

Great in helping with soil erosion
Resistant to deer browsing
Aromatic, summer-to-fall blooming perennial
Cool, fuzzy white flowers
Larval host for the Gray Hairstreak butterfly
Clump-former that spreads slowly via rhizomes
Fragrant foliage takes on red tinge along margin

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 via underground stems, but won’t take over the garden! 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.

PRICING
Pycnanthemum flexuosum LP50 - 50 per flat $56.70
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Height

2-3 Feet

Spread

3-4 Feet

Spacing

12 Inches

Bloom Color

White

USDA Hardiness Zone 6(5b)-8

Appalachian mountain mint Interesting Notes

P. flexuosum is clump-forming and spreads slowly via underground runners - it won't take over the garden like other mints! A soil stabilizer that is great for slopes and streambanks.

Key Characteristics & Attributes

Deer Resistant
Deer Resistant
Butterflies
Butterflies
Full Sun
Full Sun
Part Sun
Part Sun
Summer
Summer
Average
Average
Moist
Moist
Dry
Dry
Fragrant
Fragrant
Cut Flower
Cut Flower

Additional Information

Season of Interest (Flowering)
Late Summer
Fall
Soil Moisture Needs
Well-Drained
Plug Type
Landscape Plug™
Propagation Type
Vegetative
Attributes
Moist Sun
Dry Sun
Native to North America
Erosion Control
Meadow