Clustered Mountainmint

Pycnanthemum muticum

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lamiaceae
Genus:
Pycnanthemum
Species:
Pycnanthemum muticum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul, sep
Bloom Colors:
White, Red, Pink, Blue, Purple

Native Range

United States: Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Georgia, Illinois, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, West Virginia

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Reported Fauna Sightings

Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Black and gold bumble bee (Bombus auricomus), Black and gold bumble bee (Bombus auricomus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens), Confusing bumble bee (Bombus perplexus), Confusing bumble bee (Bombus perplexus), Southern plains bumble bee (Bombus fraternus), Southern plains bumble bee (Bombus fraternus), Two-spotted bumble bee (Bombus bimaculatus), Two-spotted bumble bee (Bombus bimaculatus)

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers organic matter-rich soils in native habitats

Germination Information

Pre-treatment: Cold moist stratification for 60 days at 39°F or a 3 week cool, moist stratification period at 40°F, 35% relative humidity.

Establishment: Seeds were collected once flower clusters dried on the plant and stored in a paper bag at room temperature in a well-ventilated, dry environment until cleaning. Some seeds were collected in Cades Cove, Old Field by NPS staff.

Source: npn.rngr.net