Chard is a summer vegetable similar to spinach. Spinach and Chard taste very similar, but Chard is slightly spicy. When the Chard is harvested, only the outer leaves are cut and the heart is left to grow further, creating a staggered harvest. Chard does best in full sun but also grows in half-shaded areas. Although the leaves are always green, the colours also vary from white, yellow, orange, red and purple. The leaves cook like spinach.