- Variety Info
- Sowing Info
- Growing Info
- Learn More
Variety Info
Days to Maturity: 20 –45 days
Family: Asteraceae
Type: Leaf Lettuce (Learn more)
Native: Unknown; lettuce has been in cultivation for a long time.
Hardiness: Frost-tolerant annual
Exposure: Full sun to part shade
Plant Dimensions: 10"–12" tall and wide
Variety Info: Light green, crinkled leaves turn to deep red-bronze on the frilly edges.
Attributes: Frost Tolerant, Good for Containers
Sowing Info
When to Sow Outside: RECOMMENDED. 2 to 4 weeks before your average last frost date, and when soil temperature is at least 40°F, ideally 60°–70°F. Successive Sowings: Every 3 weeks until 4 to 6 weeks before your average first fall frost date. Mild Climates: Sow in fall and winter for cool season harvests.
When to Start Inside: 4 to 6 weeks before your average last frost date, and in summer when soil temperatures are too warm (above 80°F) to germinate lettuce seed.
Days to Emerge: 5–10 days
Seed Depth: Surface to ⅛"
Seed Spacing: A group of 3 seeds every 10"
Row Spacing: 18"
Thinning: When ½" tall, thin to 1 every 10"
Your hardiness zone is
Growing Info
Harvesting: Harvest in the morning, by cutting off at ground level. If regrowth is desired, cut the leaves higher, at 2". For a continual supply, outer, individual leaves can be harvested at any stage of maturity, but leave at least half of the plant for regrowth.
- Stephanie O.Verified BuyerRated 5 out of 5 stars11/12/25Delicious!
These lettuce were a hit with the family! It grew so well and even withstood some inland empire heat.
Which best describes you as a gardener? IntermediateBIBotanical Interests11/20/25Hey Stephanie,
Thank you so much for this fantastic 5-star review! "Delicious!" is exactly what we love to hear about Red Sails Leaf Lettuce Seeds - and we absolutely love that these became such a family hit with amazing growth and impressive heat tolerance even in those challenging Inland Empire temperatures!
Your family success story with lettuce that not only grew beautifully but actually withstood that intense heat will be so inspiring and encouraging for other gardeners in hot climates who want to discover just how resilient and rewarding Red Sails Leaf Lettuce Seeds can be for creating those delicious homegrown harvests that get the whole family excited about fresh, garden-to-table lettuce even when the weather gets tough!
Keep on growing 🌻️
- Shanique W.Verified BuyerRated 5 out of 5 stars11/9/25Great germination
Looking forward to a great harvest!
Which best describes you as a gardener? BeginnerBIBotanical Interests11/12/25Hey Shanique,
Thank you so much for this fantastic 5-star review! "Great germination" is exactly what we love to hear about Red Sails Leaf Lettuce Seeds - and we absolutely love that you're already looking forward to what's going to be an amazing harvest from those perfectly sprouted seeds!
That's exactly the kind of strong germination success that makes Red Sails Lettuce such garden treasures! There's nothing quite like watching those seeds pop up reliably and knowing you're going to experience those gorgeous burgundy-red tinged leaves with their tender, sweet flavor and beautiful loose-leaf formation that makes Red Sails lettuce so much more colorful and delicious than ordinary green lettuce!
Your great germination and harvest excitement will be so inspiring for other gardeners who want to discover just how reliable and rewarding Red Sails Leaf Lettuce Seeds can be for creating those stunning red-bronze lettuce harvests that add incredible color and flavor to salads while growing so beautifully in the garden!
Keep on growing 🌻️
- Kim H.Verified BuyerRated 5 out of 5 stars8/15/245 Stars
I love this lettuce and all of the seeds that I ordered.
Which best describes you as a gardener? Intermediate - Karen B.Verified BuyerRated 5 out of 5 stars5/13/245 Stars
I love red sails lettuce. It makes a great salad.
Which best describes you as a gardener? Expert - Lisa G.Verified BuyerRated 5 out of 5 stars5/10/245 Stars
Red Sails is a vigorous and very easy to grow lettuce. I place them here and there around the greenhouse in any vacant spot I have available.
Highly recommend.
Which best describes you as a gardener? Expert