Romaine lettuces are simple and quick to grow and are also regarded as more heat-tolerant than other lettuce varieties. If ...

Keep the soil moist after sowing until the seeds are growing strongly. Thin the seedlings to around 30cm apart. If you're planning to cut the whole lettuce heads at harvest, sow at intervals of three ...

The shape of an arugula leaf is similar to oakleaf lettuce, with rounded edges that undulate from broad to slight. Baby arugula, which is typically shorter than an index finger, is more widely ...

While all types of lettuce are well-liked individually, mixed greens often combine more than one of these varieties along with mustard greens, endives, red and green oak leaf and little gem lettuce.