Freezing tender lettuce like romaine, green leaf, or red leaf will cause ice crystals to form, which will rupture the cell walls of the leaves. The result is soggy or watery lettuce that lacks crunch ...

Here's which types of lettuce are most popular, why these greens are good for you and what you need to be mindful of as you include more in your diet.

Plant growth and development respond to all wavelengths of the broad-band solar-radiation spectrum under which plants evolve ...