Commercial growers annually supply only a few varieties. In some months of the year lettuce becomes expensive, scarce or altogether unavailable. There are many reasons to grow lettuce. Considering its popularity in salads, it is a wonder that lettuce isn't more prevalent than ornamental cabbage in Denver gardens. The answer may lie in the problem of cultivating lettuce in our high desert plain.
Lettuces require fertile soil, high in organic matter.
Some lettuces prefer cooler, more humid conditions and become tough, scorched or bitter in harsh sunlight and heat. For the vegetable gardener determined to enjoy the rewards of growing lettuce, here are the keys to success. In Colorado, soil amendment and water conservation are essential. Beyond that, it is simply important to plant the right lettuce, in the right place, at the right time of year. A fertile soil that retains moisture yet drains well, is ideal for growing lettuce.