Lettuce Seeds, Manoa
Manoa Lettuce growing in a greenhouse at Baker Creek in Mansfield, Missouri.
An overhead view of Manoa Lettuce with seashells and Hawaiian decor on a light blue background.
A close-up of Manoa Lettuce on a plate with dressing and calendula petals on a light blue background.
A head of Manoa Lettuce with a conch shell on an ocean blue background.
Manoa Lettuce on a plate with salad dressing and props from Hawaii on a light blue background.
Lettuce Seeds, Manoa
Manoa Lettuce growing in a greenhouse at Baker Creek in Mansfield, Missouri.
An overhead view of Manoa Lettuce with seashells and Hawaiian decor on a light blue background.
A close-up of Manoa Lettuce on a plate with dressing and calendula petals on a light blue background.
A head of Manoa Lettuce with a conch shell on an ocean blue background.
Manoa Lettuce on a plate with salad dressing and props from Hawaii on a light blue background.

Lettuce Seeds,
Manoa

SKU: #LT202Min. seed count: 100
Price
Regular price $4.50
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Description

A standout lettuce variety known for its crisp texture, rich green leaves, and exceptional garden performance. Manoa forms full, uniform heads with tender, sweet leaves that hold well without quickly bolting. Heat-tolerant and adaptable, it’s as dependable in the garden as it is delicious on the plate.

Plant Details

Botanical Name
Lactuca sativa
Life Cycle
Annual
Sun Requirement
4–8 hr.
Days to Germinate
7–10
Days to Maturity
60–70
Planting Depth
¼ in.
Plant Spacing
8–12 in.
Ideal Temperature
60–80°F
Frost Hardy
Yes

When to Grow

Manoa forms full, uniform heads in about 60 to 70 days. Sow 2 to 4 weeks before your last spring frost, or in fall once the heat has subsided, about 10 to 12 weeks before your first predicted frost. Where winters are mild, you can plant in late fall for a winter harvest.

How to Sow and Plant

  • For spring planting, sow seeds 2-4 weeks before the last frost.
  • Fall sowing should be done once the heat has subsided, about 4-7 weeks before the first predicted frost of the season.
  • You can seed densely for loose leaf varieties and thin to 4 inches per plant; for heading types, space plants about 8-12 inches apart.
  • Sow seeds ¼ inch deep.
  • Ideal germination temperature is 60-80 F.
  • Seeds germinate in 7-10 days.

How to Grow

  • Lettuce is a very easy-to-grow beginner’s crop. It is very hardy and adaptable with one big condition: lettuce hates heat!
  • Make sure to plant in a location with full sun and moist soil.
  • For growers in mild winter climates, it is possible to plant in late fall for a winter harvest. Those in cooler climates can choose bolt resistant varieties and harvest throughout the summer.
  • Lettuce grows great in containers.

PESTS/SPECIAL CONSIDERATIONS

  • Summer’s heat and drought are the most common enemies of a successful lettuce crop. Try to grow in a shady location or under shade cloth to keep greens cool.
  • Slugs can be an issue with lettuce. Try setting out a shallow pan of beer beneath plants to draw slugs away from the plants.

How to Save Seeds

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 seeds in the bag and separate the chaff.
  • Store in an airtight container in the refrigerator for up to 4 years.

FAQ

How far apart should Manoa be spaced?

Space heading types such as Manoa about 8 to 12 inches apart, sowing the seed 1/4 inch deep.

Will Manoa bolt in summer heat?

Manoa is heat-tolerant and holds well without quickly bolting, but lettuce as a crop dislikes heat. In cooler climates bolt-resistant varieties can be harvested right through summer; elsewhere, shade cloth or a shady spot helps keep the plants cool.

What should I watch out for when growing Manoa?

Slugs can be an issue with lettuce. Try setting out a shallow pan of beer beneath the plants to draw them away.
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