Buy Amaranthus tricolor 'Green Giant' | Chinese Spinach | Sarah Raven
Stunning Tri-Colored Amaranthus Hybrid | A Beautiful and Hardy Annual — Kadiyam Nursery
Amaranthus Tricolor Seeds (Joseph's coat, edible amaranth, bireum in Korea; tampala, tandaljo, or tandalja bhaji in India; callaloo in the Caribbean.) - Plant World Seeds
Joseph's Coat (Amaranthus tricolor L.): leafy shoot with flowers, separate male and female flower and seed. Chromolithograph by P. Depannemaeker, c. 1885, after B. Hoola van Nooten. | Wellcome Collection
Amaranthus tricolor L. | Plants of the World Online | Kew Science
Amaranthus tricolor - Wikispecies
Amaranthus tricolor L. | Plants of the World Online | Kew Science