
Korean mint
Agastache rugosa
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Moderate
Humidity
Prefers dry to moderate humidity
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic
The Story
Plant Bio
Agastache rugosa, commonly known as Korean mint, is a perennial herb with aromatic leaves and tall, spike-like flower clusters. This species is particularly noted for its ability to attract pollinators such as bees and hummingbirds.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select well-draining soil and a sunny location for planting.
- Tuck seeds or cuttings into soil, keeping moist until established.
- Mist cuttings regularly to maintain humidity during rooting.
- Thin seedlings to prevent overcrowding after emergence, usually in 4-6 weeks.
- Water deeply once a week during dry periods for healthy growth.
- Mulch around plants to conserve moisture and suppress weeds.
Pro Tip
Plant Agastache rugosa in full sun with well-draining soil for best blooms and fragrance.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells π±
- Prune after flowering to encourage bushy growth
- Fertilize lightly in spring with a balanced fertilizer
- Monitor for pests and treat early
Don't
- Avoid overwatering to prevent root rot β
- Donβt plant in heavy clay soil without amendments
- Refrain from excessive fertilization which can reduce fragrance
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Harvest | ||||||||||||
| Prune | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Korean mint questions
What zones can Korean mint grow in?
Korean mint is hardy in USDA Zones 5β8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Korean mint deer resistant?
Yes β Korean mint is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Korean mint bloom?
Korean mint typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone β Sow's bloom calendar maps it to your garden.
Does Korean mint need full sun?
Korean mint does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Korean mint drought tolerant?
Yes β once established (usually after the first full season), Korean mint handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Agastache to compare

'Blue Fortune' Anise Hyssop
Agastache f neki hybrid 'Blue Fortune'

Anise Hyssop
Agastache foeniculum

Hummingbird Mint
Agastache x hybrida

Hummingbird Mint Mix
Agastache x hybrida 'Mix'

Blue Boa Hyssop
Agastache fennelagastache 'Blue Boa'

Kudos Ambrosia Anise Hyssop
Agastache foeniculum 'Kudos Ambrosia'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Korean mint with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
