Approximately 50-60 species of Amaranthus are found in India alone. A. tricolor is commonly grown in South and Southeast Asia, A. cruentus in Africa, and A. dubius in the Caribbean area. Learn about the soil, season, seed rate, fertilizer, irrigation, plant protection and harvest of amaranthus , a leafy vegetable. Find out the different varieties of amaranthus and their yield potential. AMARANTH 1. Introduction Amaranth, known scientifically as Amaranthus spp., is a versatile and nutritious plant with a rich history of cultivation. This guide offers comprehensive insights into growing and caring for amaranth, exploring its botanical details, growing conditions, and various uses. This document provides information on the plant Amaranthus , including its botanical name, origin in Central and South America and parts of Asia, and nutritional importance as a source of iron, calcium, vitamins A and C.