Echinodorus x barthii (Double Red Sword)

12 May 2026

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Echinodorus x barthii, commonly known as the Double Red Sword, is a captivating and popular cultivar in the aquarium hobby. Renowned for its striking color transformation from deep red to dark green, this hardy rosette plant serves as a magnificent centerpiece, thriving easily in a variety of aquatic setups.

Echinodorus x barthii (Double Red Sword)

Plant Profile: Echinodorus x barthii

Echinodorus x barthii, affectionately known as the Double Red Sword, is a highly decorative cultivar that makes a stunning statement in any freshwater aquarium. Young leaves emerge in an intense dark red hue, which gradually transitions to a rich, dark green as the foliage matures. This striking contrast creates a dynamic visual display within the tank.

Care and Cultivation

This sword plant is notably hardy and undemanding, making it an excellent choice for beginners. While it can survive in low-light conditions without supplemental CO2, providing a nutrient-rich substrate, moderate lighting, and CO2 injection will significantly enhance its coloration and growth rate. Like most Echinodorus species, it is a heavy root feeder, so root tabs are highly beneficial for robust growth.

Aquascaping Application

Due to its substantial size, reaching up to 50 cm in height, Echinodorus x barthii is best utilized as a solitary centerpiece or placed in the background of medium to large aquariums. Its broad leaves provide excellent resting places for fish and can help conceal aquarium equipment, while its rosette growth pattern anchors the aquascape's visual weight.

Plant info

Colors: Green, Red, Dark green
Difficulty: Easy
Origin: Cultivar
Usage: Center
Type: Rosette
Growth rate: Medium
Height: 25 - 50 cm
Light demand: Low
CO2: Low

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