Alapati 20 Red Amaranth: sometimes referred to as 'pigweed', this plant is much prettier than it sounds and has a variety of applications. Whether to add some floral to your garden, to eat the leaves or to use the seeds as a grain or ground into flour - Amaranth does not disappoint. Red Leaf Amaranth can be used in salads or cooked similar to Spinach - very popular in Asian cuisine.