Korean mint forms upright leafy clumps with purple flower spikes that attract bees and butterflies in summer and autumn.
- Height
- 30–92 cm / 1–3 ft
- Spread
- 30–61 cm / 1–2 ft
- Light
- Full sun
- Soil moisture
- Dry / Moist, well-drained
- Flowering
- Fall, Summer
- Maintenance
- Low
- USDA zones
- 4a–9b
Planting
Choose full sun and freely draining soil, with some shelter from strong winds. Plant in groups in a cottage border or beside a sunny walkway.
Care
Remove spent flower spikes through the season. Divide established clumps in spring if you want more plants or need to reduce their size.
Before planting: Powdery mildew can develop in dry summers.
Planting Korean mint?
Find a landscaper nearby to help with planting and establishment.
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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.
RHS: Korean mint cultivation and care
- Korean mint: Hope Duckworth · CC BY 4.0. Resized, converted to WebP and cropped for display.
- Anise hyssop: Anna · CC BY 2.0. Resized, converted to WebP and cropped for display.
- Sunset hyssop: J.smith · CC BY-SA 3.0. Resized, converted to WebP and cropped for display.
- 'Butterfly Blue' pincushion: Cathy DeWitt · CC BY 4.0. Resized, converted to WebP and cropped for display.