Large Garden Pots Near Me Mixed Climbing Rose Seeds for Planting Heirloom, Non GMO, Outdoor Fr Pure Asia Seeds Mini Ornamental Mint Seeds Park Seed This is how I grow lettuce from seed. I begin starting lettuce seeds in March and plant out in the garden in April. In about 60 days, theyre ready to harvest. If you are interested in saving seed, Heavy Duty 8 Pattern Adjustable Garden Hose Spray Nozzle