Bred by Dr. Baggett at Oregon State, the objective of the Summertime Lettuce was to develop a head lettuce that would mature in summer’s heat without bolting and was also resistant to tip-burn and rib discoloration. The Summertime Lettuce consistently yields the highest percentage of usable heads in trials. The flavor is good & the texture is very crisp. 300 seeds PLANTING Lactuca sativa Germination: 4-10 days Germination Temperature: Optimum soil temperatures 60-70ºF. Soil temperatures above 70ºF inhibit germination. Seed Sowing Depth: ¼" inch deep Starting Indoors: Start 3-4 weeks before planting outside. Sow 2-3 seeds per cell/pot, thinning to one per cell/pot. Provide 60-70ºF soil temperatures. Transplant out, 8-12” apart in rows 12” apart. Sowing Outdoors: Spring when the soil temperature reaches at least 50ºF. Sow 1” apart, thin to 6-12”, depending on the size of lettuce you want, baby to full heads. Keep soil moist during germination. Sow every 2-3 weeks for a longer harvest period. Sow heavy seeded rows every 10-14 days for baby greens using 1/2 oz. Pinetree Lettuce Mix. How much does a packet plant: 25-40 foot single row Harvest: Cut whole heads, full-sized or baby at the base or snipe off individual leaves. Tips: Summertime Lettuce needs fertile soil for optimum growth. Work in compost or well-rotted manure into your soil before planting. Provide adequate, even moisture for the best growth. Mulching helps retain moisture.
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