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Lactuca sativa

Fruits and Vegetables

Surface-sow leaf lettuce to rows 1' apart, thin plants to 6", at 4-week intervals starting from 4 weeks prior to last frost into mid-summer. Start head lettuce indoors 6 weeks before last frost and transplant on expected date of last frost, thin to 12" apart. Soil and air temperature <70F/ 21C ideal, with cooler nights, rich and well-drained soil. Both types need light to germinate

Seeds may be hard to germinate in warmer weather: refrigerate head lettuce seed overnight, leaf types a week, and use older seed, to enhance germination. Keep moist

May be sown in fall just before first new frost, for spring crop. Can sow head lettuce outside into early summer; leaf lettuce up to end July in cooler areas, for later yields of both. Thin to or transplant 12" apart, during the coolest part of day, without disturbing the roots. Water frequently, and keep in partial shade. Mulch to keep temperatures down

Corn salad, lamb's lettuce, nusslisalat, mache, lambs lettuce (Valerianella locusta)
Miner's lettuce (Claytonia perfoliata, Montia perfoliata)
Water lettuce, shell flower (Pistia stratoites)

Fruits and Vegetables

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