As Ye Sow: Saving and Planting Poppy Seeds Flower Magazine Grow Lettuce from Seed Fine Gardening Philodendron squamiferum Foliage Factory 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, Aloe 'Oik' Succulent Plant Compact Aloe, Drought Tolerant, Non GMO Hand Picked Nursery Backyard growing New Zealand Avocado