Hoary Mountain Mint, Whorled Mountain Mint

Pycnanthemumpilosum

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Pycnanthemum (pik-NAN-thee-mum)
Species
pilosum (pil-OH-sum)
Synonym
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:

Efland, North Carolina

Hillsborough, North Carolina

Swanton, Ohio

Whitehall, Pennsylvania

Wilkes Barre, Pennsylvania

Johnson City, Tennessee

Viola, Tennessee

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Gardener's Notes:

2
positives
0
neutral
0
negative
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D
Johnson City, TN | June 2010 | positive

This is one of my favorite mints! It is easy to grow in full sun or partial shade. Some people claim that it is incredibly invasive; ho...Read More

H
Whitehall, PA | December 2009 | positive

Great Plant! It benefits alot of wildlife. It attrachs all sorts of wasps, bees, butterflies, and other insects. However the wasps and be...Read More

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