Lettuce Seeds, Tom Thumb
Tom Thumb Lettuce heads held in the hand of a gardener.
Tom Thumb Lettuce heads on table top next to a plate of quartered lettuce heads and a bowl of jello.
Several Tom Thumb Lettuce heads on a light blue background.
Lettuce Seeds, Tom Thumb
Lettuce Seeds, Tom Thumb
Tom Thumb Lettuce heads held in the hand of a gardener.
Tom Thumb Lettuce heads on table top next to a plate of quartered lettuce heads and a bowl of jello.
Several Tom Thumb Lettuce heads on a light blue background.
Lettuce Seeds, Tom Thumb

Lettuce Seeds,
Tom Thumb

4.558 ReviewsSKU: #LT102Min. seed count: 250
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Description

(Lactuca sativa) Bibb/Butterhead. A delectably diminutive lettuce with buttery soft texture and sweet crispy flavor. Its size, at just 3 to 4 inches across (about the size of a tennis ball), is a perfect single serving. Better yet, it is super easy to grow. This heirloom dates back to the 1850s, and with its impeccable flavor has been winning converts for over 150 years. We love this pint-sized variety for compact container gardens, raised beds, and multiple succession plantings.

Growing Tips: Tom Thumb is best grown at 60-80 F. Start seeds indoors 4-6 weeks before the last frost date or direct sow outdoors in early spring or late summer for fall harvest. It thrives in well-drained, fertile soil with plenty of organic matter, requiring 4-8 hours of sun daily. Keep the soil consistently moist but not waterlogged. Sprouts form in 7-10 days, while the plant matures in about 60 days.

Plant Details

Botanical Name
Lactuca sativa
Life Cycle
Annual
Sun Requirement
4–8 hr.
Days to Germinate
7–10
Days to Maturity
60
Planting Depth
¼ in.
Plant Spacing
8 in.
Ideal Temperature
60–80°F
Frost Hardy
Yes

When to Grow

Tom Thumb lettuce can be planted both in early spring and late summer, thriving in cool weather conditions. Sow seeds directly in the garden or start them indoors about 4-6 weeks before the last expected frost. This variety is suitable for multiple harvests throughout the growing season​. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

>Sow seeds 1/4 inch deep with rows 12-18 inches apart. Sow in thick bands for baby greens or space 8 inches apart for head lettuce. If starting indoors, transplant seedlings outdoors once they have a few true leaves and the risk of frost has passed. Tom Thumb lettuce prefers well-draining soil rich in organic matter. Maintaining consistent soil moisture is crucial, so water regularly to keep the soil evenly moist but not waterlogged​.

How to Grow

Tom Thumb lettuce thrives in full sun to partial shade. In hot climates, providing some afternoon shade can prevent bolting. Regular weeding is essential to reduce competition for nutrients. Mulching around the plants helps retain soil moisture and suppress weeds. Fertilize with a balanced organic fertilizer or compost to support healthy growth. A drip irrigation system can be beneficial for maintaining consistent moisture without wetting the leaves, which helps prevent disease​​.

How to Save Seeds

  • Lettuce is a self-pollinating annual, making it an easy crop for seed saving.
  • Choose the best and healthiest plants and 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

How often should I water Tom Thumb lettuce?

Water regularly to keep the soil consistently moist. Avoid letting the soil dry out completely, as this can lead to bitterness and bolting.

What is the ideal soil pH for Tom Thumb lettuce?

This lettuce prefers a slightly acidic to neutral soil pH of 6.0-7.0. Adding compost can help maintain the appropriate pH and improve soil fertility.

Can Tom Thumb lettuce be grown in containers?

Yes, Tom Thumb lettuce is well-suited for container gardening. Use a pot with good drainage and at least 6 inches deep. Place the container in a location that receives adequate sunlight.

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