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Echinodorus grisebachii ‘Bleherae’, commonly known as the Amazon Sword, is one of the most iconic and popular aquarium plants worldwide. Belonging to the Echinodorus genus, this large and elegant species features broad, bright green leaves that can reach 3–6 cm in width and grow up to 60 cm tall, creating a dominant and lush presence in the aquarium. Its graceful, sword-shaped leaves form dense rosettes, making it an excellent focal plant for spacious tanks or the background of large aquascapes.
Mature specimens often develop impressive, full bushes with 50 or more leaves, offering an eye-catching centerpiece in any planted aquarium. Its classic form and easy adaptability make it a favorite among both beginner and experienced aquascapers alike.
Water Parameters:
Temperature: 22–28°C
pH Range: 6.0–7.5
Hardness: Soft to moderately hard water (2–12°dGH)
Nutrient Requirements:
Echinodorus grisebachii ‘Bleherae’ is a heavy root feeder, thriving best in a nutrient-rich substrate that allows its strong roots to develop fully. A substrate depth of at least 10 cm is essential for optimal growth. Regular use of root tabs and liquid fertilizers will promote lush foliage and vibrant color. CO₂ supplementation is optional but enhances growth speed and leaf vitality, especially under strong lighting.
This species is ideal for background placement in medium to large aquariums, where it provides height, texture, and depth. Combine with smaller species such as Helanthium (formerly dwarf Echinodorus) to create a visually balanced and authentic South American biotope. It prefers moderate to high lighting and a gentle water flow to maintain healthy leaves and prevent algae buildup.
Allow ample space around the plant to accommodate its expansive leaf rosette. Regular pruning of older or shaded leaves helps maintain shape and encourages new, vigorous growth. Stability in water parameters and consistent fertilization are key to keeping Echinodorus grisebachii ‘Bleherae’ looking its best. With proper care, it can even produce emergent flower stalks in open-top aquariums, adding a touch of natural elegance.
Echinodorus grisebachii ‘Bleherae’ (Amazon Sword) is a classic centerpiece plant renowned for its size, strength, and timeless beauty. Its rich green leaves and commanding presence make it an essential choice for creating lush, thriving aquascapes—perfect for those who love traditional South American-inspired aquarium designs.
