broccoli broccoli and lettuce brown colors colours food fresh green greens healthy lettuce textures variety vegetables veggies salad baby butterhead salads vegetable cauliflower greens.lettuce leaves meristems nutritious white earth garden growing growth health kitchen line nature outdoors parallel avocado cutting dinner salad food preparation knife leafy greens salad bowl tomato bread cheese dip dressing melted cheese salad dressing tomatoes meal nutricion onion onions spring vitamins appearance cultivars edges fancy foliage gardening greenery hydroponics lactuca sativa plants varieties vegetable growth