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How to grow organic lettuce
Prepare the soil for planting.
Ensure that the soil has a ph balance between 6.0 and 6.8. The ground needs to be well-drained and full of nutrient-rich soil that is full of compost or aged manure.

Choose from:
A). Lettuce plants do well in steady amounts of nitrogen, so apply blood meal or compost tea to the soil before adding the seeds. If you are unsure what your soil's ph is, you can purchase a soil testing kit from your local garden supply store.
B). Use a ph meter to determine the ph level of the soil. Above 6.0, it's ideal for growing the spinach.
C). If you fertilize your lettuce, select a sandy soil, as you do not want your produce to plant in low level nutrient rich soil. As a rule of thumb, mix your fertilizer according to the package instructions.
D). You can even plant organic vegetables in the compost if you have commercial garden equipment. Plant your lettuce on a pesticide free cutting board.
A).