Winter Density Romaine Lettuce Seeds

Winter Density Lettuce Seeds | Cold Hardy Romaine-Butterhead Variety
Lactuca sativa
Listing is for 1 packet of minimum +50 seeds

Winter Density lettuce is a unique, semi-cos (romaine-type) variety that combines the crisp texture of romaine with the tenderness of butterhead. What sets it apart is its exceptional cold tolerance, making it one of the best lettuces for fall and winter gardens. Compact yet full of flavor, it produces tightly packed, upright heads that resist bolting and can be harvested young as baby greens or left to mature for full-size heads. For best results, sow seeds in cool weather, either in early spring or late summer to fall, spacing 6–8 inches apart. Keep soil consistently moist, and you’ll enjoy a steady supply of fresh, crunchy lettuce—even after light frosts!

Ideal Growing Conditions

Sun: Does best getting 6 hours of sun a day. Grow in partial shade in hot climates.

Water: Keep the soil consistently moist

Fertilizer: Add some blood meal into the planting hole before transplanting or work some into the soil before direct sowing seeds. This one time application of fertilizer should be enough for the entire growing season. 

When & How To Sow Seeds: For a spring crop: direct sow after your last spring frost date, or sow seeds in pots, 4 to 6 weeks before your last spring frost date. For a fall crop, direct sow seeds 3-4 months before your first winter frost date. Can continue succession sowing through winter if plants are provided with frost protection. In milder climates (like Florida zones 9, 10, and 11)  can also start sowing in fall to grow through fall, winter, and spring. Sprinkle a few seeds over the soil surface, pat down, cover with 1/4 inch of soil, and water in. Can follow square foot gardening guidelines to space 4 lettuce plants per square foot, or plant each one 10 to 12 inches apart. 

Germination: 7-10 days

Days To Maturity: 45 days after direct sowing the seed 

How & When To Harvest: This is a Romaine lettuce. Harvest once the center head of Romaine starts to form, but before the center sends up a flower stalk. 

Common Diseases: The most common disease when growing lettuce is downy mildew. It thrives in cool, wet conditions and can spread rapidly, causing yellow spots on the leaves that eventually turn brown and die. Proper plant spacing to improve air flow helps. Spray with 1 cup of hydrogen peroxide per gallon of water every 3 to 5 days until you notice the spread has stopped. 

Common Pests: Critters like rabbits love to munch on lettuce plants. Protection from small animals might be required. The most common pest when growing lettuce is aphids. Use a strong spray of water to dislodge aphids from the leaves. For more severe infestations, spray with organic insecticidal soap or spinosad. 

Do I have a YouTube video tutorial on how to grow this? YES

Watch it here: https://youtu.be/GEoQABbo9tM

Additional Tips/Information: N/A