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Korean Mint Seeds

  • Brand: KNOWN-YOU
  • Quantity: About 200 seeds per package
  • Germination:15-25 days approx
  • Soil Condition: neutral soil pH
  • Sowing depth: 1/8 inch
  • Spacing: 12 inch apart
  • Light: Full Sun
  • Watering Time: Frequent
  • Fertilizing : recommended
SKU: H-240

Availability: In stock


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Official Name: Agastache rugosa

General description: Korean Mint: Pungent And Bold. Korean mint's botanical name is Agastache rugosa. People have been eating it and using it as a medicine for a long time — the first recorded use of the herb was around 500 AD. It has several other names such as Chinese patchouli and blue licorice.

How to grow:

Sowing the Korean licorice mint seeds commonly occurs in the late winter or early spring. The seedlings need protection for the first year when growing indoors so the timing of planting the seeds does not have to be exact. Fill a seed tray or shallow plant pot with seed starter soil mix. The seeds need light to germinate so scatter the seeds on top of the soil. Barely cover with the soil mix. Do not put more than 1/8 inch of soil on top of the seeds. 

Use room-temperature water to keep the soil moist. Cold water will retard the germination rate, while very hot water cooks the seeds. These seeds germinate best with high humidity, so cover the planting tray with a piece of clear plastic. The tray needs to be placed in an area with bright indirect light and temperatures between 55 and 72 degrees Fahrenheit. In ideal growing conditions, the seeds germinate in one week, but it can take up to four weeks for sprouts to appear. 

The soil needs to stay moist after the seeds sprout. The seedlings are very tender and have tiny roots that dry out quickly. Once the seedlings develop their first true leaves and are large enough to handle easily, transplant them into their own individual plant pots 3 to 4 inches wide filled with potting soil. Use a spoon to scoop the seedlings out with their roots intact and plant them in the center of the small plant pots. Keep the seedling indoors where it is warm with bright light for the first year. 

Gradually adjust the Korean licorice mint starts to outside temperatures by moving the plants outdoors for a few hours at a time until the plants can spend all day outside. This will take a few weeks. Prepare the planting location in full sun with dry to medium moist soil. This plant does not grow well in shady areas and clayey soil. Transplant the plants outside in late spring or early summer when the weather has turned nice. This gives the plants all summer to establish new root systems while preparing for winter.

Benefits: The leaves and stems are antibacterial, antifungal, aromatic, carminative, diaphoretic, febrifuge and stomachic. They are used internally to improve the appetite and strengthen the digestive system, they relieve symptoms such as abdominal bloating, indigestion, nausea and vomiting.





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