Korean Mint Seed - Agastache Rugosa Herb Seeds

Agastache Seeds - Rugosa

Herb Specifications

Season: Perennial

USDA Zones: 4 - 9

Height: 36 inches

Bloom Season: Summer

Bloom Color: Purple

Environment: Full sun to partial shade

Soil Type: Well-drained, pH 5.8 - 7.2

Deer Resistant: Yes

House Plant: No

Latin Name: Agastache Rugosa

Planting Directions

Temperature: 68F

Average Germ Time: 14 - 21 days

Light Required: Yes

Depth: Do not cover the seed but tightly press into the soil


Sowing Rate: 2 - 3 seeds per plant

Moisture: Keep seeds moist until germination

Plant Spacing: 18 inches

Korean Mint(Agastache Rugosa) - Bring the bees and butterflies to your garden when you start Korean mint seeds and grow this wonderfully fragrant perennial Agastache herb plant. Agastache Rugosa has tall flower spikes that are full of mauve flowers that bloom at different times.

Many common names

This popular herb goes by many names including: blue licorice, purple giant hyssop, Indian mint, wrinkled giant hyssop, huo xiang, Chinese patchouli, and Korean hyssop.

korean mint flowers

Agastache seed | Rugosa

How to grow

How To Grow Agastache From Seed: Growing Korean mint from seed is easy and rewarding. Agastache Rugosa seeds can be directly started outdoors in a prepared seedbed. Press the herb seeds into the soil but do not cover them. The plant is not picky about the soil, but it does prefer to be in full sun to partial shade.

  • Sowing Rate: 2 - 3 seeds per plant
  • Average Germ Time: 14 - 21 days
  • Keep moist until germination
  • Attracts bees, butterflies and hummingbirds
  • Depth: Do not cover, but lightly press seed into soil
agastache rugosa seeds

Flower Specifications

Korean Mint usually reaches 36 inches in height and it's popular with the insects with its liquorice-like scent. These flowers are also very nice for cutting and adding to fresh flower arrangements.

  • Height: 36 inches
  • USDA Zones: 4 - 9
  • Season: Perennial
  • Deer Resistant: Yes