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Lettuce Seeds, Landis Winter
Description
(Lactuca sativa) Bibb/Butterhead. Roughwood Seed Collection acquired this dark green classic Pennsylvania Dutch winter lettuce in 1994 from the well-known lettuce collector Mary Schultz of Monroe, Washington. This is one of the hardiest, most frost-resistant lettuces we have ever grown. It even survived the Polar Vortex during the severe winter of 2013-2014. Each head reaches 11 to 12 inches in diameter with a loose butterhead appearance.
- 50-60 days to maturity
- Full sun (afternoon shade in hot weather
- Sprouts in 7-10 days
- Ideal Temperature: 60-70 F
- Seed Depth: 1/4”
- Plant Spacing: 14”
- Frost Hardy: Yes
Growing Tips, Tricks and FAQs
Growing Tips
Landis Winter lettuce is a highly frost-resistant butterhead variety ideal for cold climates. It performs well in temperatures ranging from 40 F to 75 F, with optimal growth between 60 F and 70 F. This lettuce thrives in well-drained, fertile soil and requires full sun, although it benefits from some afternoon shade as temperatures warm.
When to Grow
This lettuce is most suitable for USDA hardiness zones 4-9. Plant in early September for salad greens through December and January. In colder regions, using a cold frame can help protect the plants and ensure a good harvest come spring.
How to Sow and Plant
Sow Landis Winter lettuce seeds 1/4 inch deep. Once seedlings emerge, thin them to maintain a 14-inch spacing between plants. This variety can be direct sown or started indoors and transplanted. If starting indoors, harden off seedlings before transplanting them outdoors.
How to Grow
Keep the soil consistently moist, but not waterlogged. Use mulch to retain moisture and suppress weeds. If growing in colder climates, use protective coverings such as cold frames, mini hoop tunnels, or row covers to shield the plants from harsh weather. Apply slow-release fertilizer at the start of winter and supplement with liquid fertilizer as needed.
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
When should I harvest Landis Winter lettuce?
Harvest when the leaves reach salad size, typically using the 'cut and come again' method. For a full head, harvest when it reaches about 11-12 inches in diameter, usually 50-60 days after planting or overwintering.
Can I grow Landis Winter lettuce in containers?
Yes, Landis Winter lettuce can be grown in containers. Ensure the containers are deep enough and provide adequate drainage. Use high-quality potting mix and maintain consistent moisture.
How do I protect Landis Winter lettuce from pests?
Use row covers to protect against pests like aphids and slugs. Regularly inspect the plants and employ organic pest control methods such as neem oil or insecticidal soap when necessary.
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