West Coast Seeds Grand Rapids TBR Loose-Leaf Lettuce Seeds
This variety features rapid growth in spring and fall, and grows better than any other under cool, damp, low light conditions. It forms upright rosettes of thick, tasty, light green, frilly leaves with blanched centres. 65 days, OP.
Approx. 1140 seeds
Timing: Lettuce is fast growing and prefers cool conditions. Start seeds indoors in trays and transplant 3-4 weeks later. Or direct sow every 2-3 weeks starting in mid-spring. Optimal soil temperature for germination: 10-22°C (50-72°F).
Seeding: Sow seeds 5mm-1cm (1/4-1/2") deep.
Growing: If growing for baby leaf, space plants 2-12cm (1-5") apart. For full head size, space 30cm (12") apart. Allow 45-90cm (18-36") between rows. Soil with lots of organic matter that drains freely is best. A pH of 6.0-6.5 is ideal, so add compost and lime before planting. One cup of balanced organic fertilizer per 3m (10') will provide adequate nutrition.
Seed Specs: Canada No. 1 germination rate: 70%. Usual seed life: 3 years.