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Bloodworth, Stefan
Pycnanthemum tenuifolium Schrad.
Narrowleaf mountain mint, Slender mountain mint, Common horsemint
USDA Symbol: pyte
USDA Native Status: Native to U.S.
This stiff, erect, compact, clump-forming mint has narrow leaves subtending the flower clusters. The minty-smelling plants are 20-30 in. tall and have terminal flower clusters composed of numerous, small, two-lipped corollas varying from whitish to lavender, with purple spots.
Plant Characteristics
Duration: Perennial Habit: Herb Size Notes: Normally around 2 feet tall, but can reach 4 feet in rich soil.
Leaf: Pale green
Flower:
Fruit: Black
Size Class: 1-3 ft.
Bloom Information
Bloom Color: White
Bloom Time: Jun , Jul , Aug , Sep
Bloom Notes: Begins blooming when grown to about one foot wide.
Distribution
USA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NE , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WI , WV
Canada: ON Native Distribution: ME to GA, w. to WI, IA, e. KS & e. TX
Native Habitat: Upland prairies; dry, rocky, open woods; low, wet areas as well as fast-draining Post Oak woods and pine barrens
USDA Native Status: L48(N), CAN(N) Growing Conditions
Water Use: Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
Soil pH: Acidic (pH<6.8)
Drought Tolerance: Medium
Soil Description: Various moist to dry soils.
Conditions Comments: The similar and closely related P. flexuosum is a more coastal species.
Benefit
Use Ornamental: Silvery foliage and long blooming period.
Use Wildlife: Bees and butterflies use flowers. Deer eat leaves. Numerous animals eat seeds.
Use Food: Dried leaves used as flavoring and in teas.
Use Other: Rub leaves on skin to repel mosquitoes.
Conspicuous Flowers: yes
Interesting Foliage: yes
Fragrant Foliage: yes
Attracts: Birds , Butterflies
Nectar Source: yes
Deer Resistant: No
Propagation
Propagation Material: Root Division , Seeds
Description: Best propagated by cuttings or divisions. Tip cuttings are easy and reliable, taken in June. To make divisions, lift the clump in late fall or early spring and use pruning shears to divide the shallow root system. Seeds are so tiny it is best to plant
Seed Collection: Collect seed after the first few frosts. To check for ripe seed, bend over the
stem and shake it; if black seeds fall out, collect right away. Store in sealed, refrigerated containers.
Seed Treatment: No pretreatment necessary.
Commercially Avail: yes
Maintenance: To keep it from getting too wide, divide it by the roots occasionally.
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From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
American Native Nursery - Quakertown, PA
Recommended Species Lists
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Metadata
Record Modified: 2012-12-09
Research By: TWC Staff
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