🌿 All About Helanthium tenellum 'Broad Leaf' – Growow TC Plant Helanthium tenellum 'Broad Leaf' is a variant of the popular pygmy chain sword, featuring wider, ribbon-like leaves compared to...
Helanthium tenellum 'Broad Leaf' is a variant of the popular pygmy chain sword, featuring wider, ribbon-like leaves compared to the standard or ‘micro’ type. It offers a grassy, flowing look in the foreground or midground of a planted aquarium, perfect for creating natural meadows or soft transitions from hardscape to background plants.
Delivered in a Growow Tissue Culture (TC) cup, it guarantees a pest-free, algae-free, healthy start suitable for both beginner and experienced aquascapers.
Scientific Name: Helanthium tenellum 'Broad Leaf'
Common Name: Broad Leaf Chain Sword
Family: Alismataceae
Type: Rosette, grass-like carpeting plant
Origin: North America (cultivar form)
Height: 5–15 cm
Leaf Shape: Ribbon-like, broader than standard tenellum
Color: Light to medium green (reddish tones under high light)
Growth Habit: Spreads via runners
Growth Rate: Moderate to fast
Lighting: Medium to high
CO₂: Recommended for healthy and vibrant growth
Substrate: Nutrient-rich (aquasoil or root tabs)
Water Parameters:
pH: 6.0–7.5
Temperature: 20–28°C
Hardness: Soft to medium
Placement: Foreground to midground
100% sterile — no algae, snails, or pathogens
Ready to portion and plant immediately
Grows quickly once established
Shrimp and sensitive species safe
Offers a more textured, dynamic appearance than finer-leaved varieties
Great for larger aquariums where micro types may look too small
Works beautifully in Nature-style, Dutch, and Jungle scapes
Can also be trimmed and shaped for specific layout aesthetics
Plant clumps spaced a few centimeters apart
Trim leaves occasionally to encourage denser growth
Use to create transitional flow between hardscape and background plants
Combine with:
Staurogyne repens (for mid-height layering)
Cryptocoryne wendtii green (for contrast)
Rotala rotundifolia green (as soft background)
💡 Pro Tip: Under high lighting and CO₂, leaves may develop reddish-bronze hues, adding subtle depth to your scape.
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