Lettuce Seeds, Crisp Mint

star-filled
4.8
18 Reviews
Sku:
#LT150
Min. seed count:
250
$3.00

Description

(Lactuca sativa) A Cos or Romaine-type lettuce. It has large, succulent, mint-green outer leaves surrounding crystal-white hearts: mild, sweet, and crunchy in flavor. Succulent heads come up to 10 inches in height and definitely stand out in the salad garden.

  • 60-65 days to maturity
  • 4-8 hours of sun
  • Sprouts in 7-10 days
  • Ideal Temperature: 60-80 degrees F
  • Seed Depth: 1/4"
  • Plant Spacing: 8"
  • Frost Hardy: Yes

Growing Tips, Tricks and FAQs

Growing Tips

Crisp Mint lettuce is an easy-to-grow variety that thrives in cool weather and prefers well-drained, fertile soil with a pH between 6.0 and 7.0. Adding compost or well-rotted manure before planting enhances soil fertility. It is best grown in early spring or late summer to avoid the heat, which can cause bolting and bitterness​​.

When to Grow

Crisp Mint lettuce is well-suited for both spring and fall planting. In zones 5a and 5b, start seeds indoors about 4-6 weeks before the last expected frost date. For a fall harvest, sow seeds directly 8-10 weeks before the first expected frost. This variety can also tolerate light frosts and prefers temperatures between 60 F and 80 F.

How to Sow and Plant

Seeds can be started indoors 4-6 weeks before the last frost or sown directly into the garden. Make sure that the soil is well-draining and rich in organic matter. Amend with compost for better growth. Sow seeds 1/4 inch deep. Sow in thick bands for baby greens or space 8 inches apart for head lettuce.

How to Grow

Crisp Mint lettuce prefers full sun in cooler climates and partial shade in warmer areas to prevent wilting. Water moderately to keep the soil moist, and use a balanced fertilizer if necessary. Regular watering and proper spacing help prevent diseases and pests. Companion planting with carrots, radishes, or herbs like dill can also be beneficial​​.

How to Save

  • Lettuce is a self-pollinating annual, making it an easy crop for seed saving.
  • Do not harvest plants. Allow them to send up flower stalks.
  • Once seed heads are dried and have turned a yellowish-tan color, cut the entire stalk and place in a bag.
  • Crush the seed heads in the bag and separate the chaff. 
  • Store in an airtight container in the refrigerator for up to 4 years.

FAQ

Can Crisp Mint lettuce be grown in containers?
Yes, use a container at least 8-10 inches deep with well-draining soil. Ensure it receives 4-6 hours of sunlight daily.

How often should I water Crisp Mint lettuce?
Water regularly to keep the soil evenly moist. Avoid letting the soil dry out completely or become waterlogged.

When is the best time to harvest?
Harvest outer leaves as needed or wait until the heads are fully mature, typically 60-65 days after planting. Morning harvests are best for crispness​.

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Lettuce Seeds, Crisp Mint
star-filled
4.8
Customer reviews (18)

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