Appalachian mountain mint

Pycnanthemum flexuosum

Pycnanthemum flexuosum: Plant in bloom

Appalachian mountain mint has upright stems, narrow scented leaves and rounded clusters of pale flowers, attracting bees, butterflies and wasps in late summer.

Height
60–92 cm / 2–3 ft
Spread
30–92 cm / 1–3 ft
Light
Full sun / Partial shade
Soil moisture
Dry / Moist, well-drained
Flowering
Summer
Maintenance
Low
USDA zones
5a–8b
Check what suits your garden

Planting

Use full sun or partial shade in rich, moist loam with good drainage. Plant mid-border with shorter plants in front, or along a woodland edge or pond margin.

Care

Divide clumps every other year to maintain their appearance. Established plants tolerate some drier conditions; their underground rhizomes spread more slowly than those of many familiar garden mints.

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Sources & photo credit

Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.