Hygrophila rosanervis a native of Asia, has become a common but popular addition to the planted aquarium hobby. This undemanding yet interesting stem plant is one of the easiest colored red plants to grow.CO2and high light are not requirements for this cultivar to grow, they are essential in bringing out the nice red to pink color for which this plant is famous. This plant, like many of the faster growing stem plants, can develop a tendency for horizontal growth and creep along the substrate. Hygrophila rosanervis has great potential as a red stem plant. Its interesting leaf texture and color make it a great addition to the mid- or background. Hardiness: Easy Light Needed: Medium Plant Structure: Stem Family: Acanthaceae Genus: Hygrophila Region: Cultivar Size: Stem width: 6-10 cm Growth Rate: Fast Can Be Grown Emersed: Yes