Made of black or white plastic, the Low Profile Reader (2001 or 2001W) can be flush or surface mounted, bracketed, or concealed behind glass, plaster, or other nonmetal surfaces.
Growing Head Lettuce. 1  1. Choose a head lettuce variety for indoor planting. 2  2. Prepare seed trays. 3  3. Sow the seeds 4-6 weeks before the last spring frost.  4. Give the seeds plenty of sunlight and 1  water. 5. Transplant into the garden.  6. Fertilize the lettuce three weeks after 1  transplanting. 7. Cut mature leaves.
Growing Head Lettuce. 1  1. Choose a head lettuce variety for indoor planting. Head lettuces take longer to mature. 2  2. Prepare seed trays. You can start your lettuce seeds in store-bought seed trays or make your own out of an old egg carton, box or newspaper. 3  3. Sow the seeds 4-6 weeks before the last spring frost.