Heteranthera zosterifolia
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AquaZen Heteranthera zosterifolia – Colorful Growth with Star-Like Finesse
AquaZen Heteranthera zosterifolia, often referred to as Star Grass, adds energy and texture to any freshwater aquarium setup. Its lime-green, needle-like leavess grow in a whorled-type pattern, giving this plant its striking presence and a unique nickname in planted layouts.
You'll find this gem under our AquaZen brand collection and in our curated Featured selection, where standout species shine brightest.
How Heteranthera zosterifolia Star Grass Enhances Your Tank
Heteranthera zosterifolia is ideal for hobbyists looking for mid-to-background tank foliage, that is easy to manage and grows swiftly. Under medium to high-lighting, it can form upright and bushy stems that sway with the water current, making the tank feel alive and fish feeling secure.
This species is handpicked for our Staff Picks - Aquatic Freshwater Plants because of its low-maintenance nature and visual payoff. It thrives in a range of conditions, adapting well with or without CO₂ injection.
Key Benefits of AquaZen Heteranthera zosterifolia
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Visual Texture: Adds fine, needle-shaped contrast to broad-leaf or carpeting plants
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Fast Growth: Ideal for filling midground zones quickly
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Shrimp & Fish Safe: Offers great cover for fry and invertebrates
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Flexible Conditions: Tolerates pH from 5 to 8 and temps from 68–79°F
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Easy to Trim: Simple to propagate by cutting and replanting stems
Quick Specs: AquaZen Heteranthera zosterifolia
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Common Name: Star Grass
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Origin: South America, Brazil
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Placement: Midground to Background
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Height: 12–16 inches
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Temperature: 68–79°F
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pH Range: 5.0–8.0
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Lighting Needs: Moderate
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Growth Speed: Fast
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CO₂ Use: Optional but enhances growth density
Tips for Growing Star Grass in a Planted Aquarium
To maximize thickness and density, prune the tops on a regular schedule and replant the trimmings in the bottom to encourage bushier growth. If you’ve got a high-energy tank with good nutrients and circulation, expect this plant to shoot up quickly rather than slowly.
Q&A – Common Questions About Heteranthera zosterifolia
Q: Does Heteranthera zosterifolia require CO₂?
A: It grows well without CO₂, but you’ll get thicker, faster growth with it.
Q: Is this plant safe for shrimp or fry?
A: Absolutely. The dense growth offers fantastic cover for both.
Q: Can I grow it in a low-tech tank?
A: Yes, but keep your lighting at moderate strength for best results.
Q: How do I trim and propagate it?
A: Simply snip the stem where desired and replant the cuttings directly into the substrate.
Q: Will it float if not planted deeply?
A: It can. Be sure to anchor stems at least 1 inch into the substrate.
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