Plant in rich well-drained soil. Partial to full sunlight. Edible cress-like leaf is most tender when young. Attractive yellow flowers are good in salads and soups. Seeds can be ground and reconstituted with vinegar to make prepared mustard.
Plants are heavy feeders so dress the soil regularly with well-rotted manure or finished compost.
Used as a potherb and salad herb since the 1500's or earlier. Orach is in the same family as spinach with a similar eating quality. A branching plant with arrow shaped leaves. Grows 1-3 ft. tall. For best color plant in full sun.