Mountain Mint is a hardy, aromatic perennial herb native to North America. Valued for its strong minty scent, pollinator-attracting blooms, and natural pest-repellent properties, it’s a favorite in native plant gardens, herb beds, and naturalized borders.
Quick Facts
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Botanical name: Pycnanthemum spp.
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Common name: Mountain Mint
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Plant type: Perennial herb
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Days to maturity: 90–100 days (for mature plants)
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Height: 2–3 feet
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Sun exposure: Full sun to partial shade
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Hardiness zones: USDA 4–8
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Spacing: 18–24 inches apart
When to Plant
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Spring planting: Direct sow or transplant after the last frost
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Fall planting: Seeds can be fall-sown in cold climates for natural stratification
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Germination time: 14–21 days; stratification may improve success
How to Plant
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Soil preparation: Prefers well-drained, slightly dry to moderately moist soils. Tolerates poor soils.
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Sowing depth: Surface sow or cover very lightly with soil
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Watering: Water during establishment; once mature, plant is drought-tolerant
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Fertilizing: Not typically required; thrives in low-nutrient conditions
Growing Tips
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Spreads via rhizomes; best controlled in defined garden spaces or containers
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Very attractive to bees, butterflies, and beneficial insects
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Cut back in late fall or early spring to encourage fresh growth
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Avoid overly wet soils to prevent root rot
Harvesting
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Leaves and stems can be harvested anytime once the plant is well established
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Best flavor is just before flowering
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Use fresh or dry for teas, potpourri, or homemade insect repellents
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Flowers are also edible and highly aromatic
Uses
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Ideal for herbal teas, aromatic sachets, homemade salves, and pollinator gardens
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Acts as a natural mosquito and deer repellent
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Excellent choice for native plant gardens, herbal borders, and permaculture systems
Companion Plants
Pairs well with other native herbs like echinacea, bee balm, yarrow, and black-eyed Susan
Supports biodiversity and beneficial insect populations
Why Grow Mountain Mint?
Mountain Mint is a rugged, aromatic perennial with multiple benefits: it’s easy to grow, supports pollinators, and provides fragrant foliage for teas and herbal preparations. An excellent addition to any sustainable or low-maintenance garden.