If you’re planning to grow them outside, start seedlings in the early spring in the full sun. You can also start them indoors as seedlings before the end of the first frost and transfer them outdoors once it gets warmer.
Water amaranth plants during dry periods, once or twice per week.
Plants can be grown in drier clay soil but they do really well in well drained rich compost. If your soil is not ideal, consider growing in raised beds with compost.
Plant the seeds about seven to ten inches apart, although they will tolerate a little crowding.
They do really well in warmer climates and are drought-resistant. But they can also be grown in cooler climates.
They grow one to two feet in height.