Plant Profile
Helanthium Tenellum, formally known as Echinodorus tenellus before its scientific reclassification, bears a close visual resemblance to a flawless blend between dwarf hairgrass and micro swords. This makes it an exceptional pick for aquascapers who want to achieve a low, uniform, turf-style growth across the foreground of a planted aquarium. Thanks to its incredibly consistent color and clean appearance, it provides a striking visual contrast when positioned against vibrant red plants or darker hardscape elements. For smaller nano tanks, this versatile species can also serve as a short, tidy background backdrop.
Tissue Culture cups ensure your aquascape gets a super clean starting point. Lab‑grown and fully sterile, it arrives without pests, snails, duckweed, or any unwanted algae. It’s the go‑to option for anyone who wants peace of mind when adding fresh greenery to a carefully maintained setup.
Key Features & Benefits
- Slender, sword-like blades form a green turf-style carpet across the foreground.
- Spreads rapidly across open areas by sending out subterranean lateral runners.
- Forms as a foreground carpet in large tanks or a short backdrop in nano layouts.
Care & Planting Instructions
- Thoroughly wash away the nutrient gel from the roots with your fingers before parting it out into manageable portions and planting.
- Divide the tissue culture mat into small portions and plant them spaced an inch apart across the substrate using fine-tip tweezers.
- Provide a nutrient-dense substrate or quality aquarium soil, as this species is a heavy root feeder that requires ample nutrition at the base to thrive.
- Maintain stable aquarium parameters and avoid drastic shifts in water quality to prevent your new grass from melting.
- Provide medium to high lighting and inject pressurized CO2 to yield much faster, healthier, and more compact horizontal growth.
- Master the basics by learning how to properly grow aquarium carpet plants to ensure your new layout fills in quickly.
Quick Facts
Listed information should be treated as general guidelines only. Team Buce Plant encourages you to do thorough research to ensure healthy growth!
| Attribute |
Specification |
| Scientific Name |
Helanthium tenellum |
| Common Name(s) |
Pygmy Chain Sword, Echinodorus Tenellus |
| Family |
Alismataceae |
| Plant Type / Taxonomy |
Rosette / Carpeting Foreground |
| Care Difficulty |
Easy to Moderate |
| Light Requirement |
Medium to High |
| CO2 Requirement |
Recommended (Promotes faster horizontal runners) |
| Placement / Usage |
Foreground to Midground |
| Height / Size |
2-3 inches |
| Growth Rate |
Moderate to Fast |
| Water Parameters |
pH 6.5 – 7.5 | Temperature 68°F – 82°F (20°C – 28°C) |
| Propagation Method |
Cut lateral runners and replant |
| Origin |
North America |
Frequently Asked Questions
1. How do I plant Helanthium Tenellum tissue culture?
Use tweezers to plant them 1 inch apart into nutrient-rich soil. The plant will connect these portions by sending subterranean runners through the substrate.
2. Why are the leaves on my Helanthium Tenellum turning reddish or pinkish?
Under intense lighting and low nitrate environments, Helanthium Tenellum often develops beautiful reddish or pink tinting on the tips of its leaves. This color shift is a sign of healthy adaptation to strong lighting.
3. Does Pygmy Chain Sword require root tabs or nutrient substrate?
Yes. Helanthium Tenellum is a heavy root feeder. Planting it in nutrient-dense aquasoil or inserting root tabs into inert gravel is essential to prevent yellowing foliage!
