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View compareScientific Name: Echinodorus cordifolius var. floridanus
Category: Freshwater Aquarium Plants
Make way for royalty—the Radican Green Sword isn’t your average background filler. This majestic variety of Echinodorus cordifolius produces large, arching green leaves that flutter gently in your current like regal banners. Native to the southeastern United States and Central America, this sword plant earns its crown with its bold height, leaf texture, and ease of care—making it a true showstopper in large aquariums.
Its semi-emersed nature means it's equally happy submerged or with its crown peeking above the surface, and when it’s content, expect tall vertical growth with broad, rounded leaves that give off a rainforest vibe. Bonus: happy Radicans might even send out emergent flower spikes, complete with new plantlets!
Leaf Color: Bright to deep green
Height: 12–20 inches
Growth Rate: Moderate to fast under ideal conditions
Placement: Midground to background in larger tanks
Behavior: Sends runners and may flower when emersed
Temp: 72–82°F (22–28°C)
Light: Moderate to high for best growth
CO₂: Not required but appreciated
Substrate: Nutrient-rich (root tabs recommended)
Water pH: 6.5–7.5
Hardness: Soft to moderately hard water
A bold, elegant centerpiece for any aquascape
Hardy and adaptable to a wide range of conditions
Compatible with shrimp, fish, and most plant species
Capable of flowering and producing babies
Great for filling out backgrounds or large midground areas
Radican Swords are heavy root feeders, so tuck root tabs under the substrate every 4–6 weeks to keep those towering leaves lush and strong. 🌿💪