Hoary Mountainmint, White Horsemint, Hillside Mint

Pycnanthemumincanum

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Pycnanthemum (pik-NAN-thee-mum)
Species
incanum (in-KAN-num)
Synonym
Pycnanthemum pycnanthemoides
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Shiny/Glossy
Height
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Lavender
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Herbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Atlanta, Georgia

Danville, Kentucky

Clyde, North Carolina

Wilkes Barre, Pennsylvania

Austin, Texas

Featured Videos

Gardener's Notes:

1
positive
2
neutrals
0
negative
Sort By:
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B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Info from Underwood Gardens. Also known as Cherokee Sweet Mint. Makes a great honey plant, and a good food source for butterflies. Nativ...Read More

S
Atlanta, GA (Zone 7b) | September 2006 | positive

Found growing in deep shade in the woods. The light touch of white on the leaves is very unusual and pretty.

M
M
Ewing, KY (Zone 6a) | September 2001 | neutral

This mint can get five foot tall. Really pretty in late summer, when the upper leaves turn white and has clusters of tiny lavender flower...Read More

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