Murdannia keisak

Murdannia keisak is an East Asian aquatic stem plant producing broad, lance-shaped leaves on upright stems with a distinctive botanical interest — when grown emersed it produces pale blue flowers that are among the most charming and unusual aquatic plant blooms visible in open-top setups and paludariums. Submerged, the plant creates lush, full-leaved midground structure of pleasant botanical character.

Care tip: Murdannia keisak grows best in moderate lighting with CO₂ recommended. Maintain temperatures of 70–82°F and pH 6.0–7.5. Regular fertilization supports healthy growth.

Growing to 8 to 16 inches, Murdannia keisak is a midground plant that responds well to CO₂ supplementation and regular trimming for the most compact, attractive presentation. The chart note about invasive potential in outdoor setups is important — this plant spreads aggressively in outdoor water features and should not be released into natural water bodies. In the controlled aquarium environment it is manageable and attractive.

This moderate plant grows in moderate lighting with CO₂ recommended. Temperatures between 70 and 82°F provide comfortable conditions. A pH of 6.0 to 7.5 suits this adaptable East Asian species. Regular fertilization supports healthy growth. The potential for pale blue flowers in open-top setups adds a charming botanical bonus to the submerged aquarium display.

In the aquascape, Murdannia keisak provides lush, broad-leaved midground structure with the added potential for pale blue emersed flowers in open-top setups — a botanical bonus that makes it a charming and interesting plant for open-top aquariums and paludariums. In East Asian biotope compositions it is a regionally authentic aquatic species.

Murdannia keisak is a botanically interesting and practically attractive midground plant for aquarists who enjoy plants with emersed flowering potential. Its lush submerged growth and charming blue emersed flowers make it a naturally rewarding addition to open-top aquariums and East Asian biotope compositions.

Care & Specifications