Echinodorus rubin is a colorful plant. The plants can display a range of colors from red, purple, and gold to green or dark green. Red Rubin sword plants can easily grow emersed or submerged. Red Rubin swords propagate through side shoots that grow off of their leaves. The plant needs fertile, nutrient-rich soil in order to thrive. CO2 injection is not necessary for these plants. Moderate light is ideal for Red Rubin Amazon, but the plant will do fine under a range of lighting conditions.