Plant Profile
Meet Isoetes Velata Var. Sicula, commonly known as Sicilian Quillwort, a living fossil that's older than your favorite aquascaping trend by a few hundred million years. It's part of the ancient lycophyte family Isoetaceae, and out of the 60 to 150 species in the genus, almost none of them are aquarium-friendly, which makes this one a hobby unicorn. Featuring long, tubular, grass-like fronds that radiate upward from a bulbous root crown, it resembles miniature underwater rush grass. Capable of enduring a broad range of water conditions in nature, from nutrient-poor cold lakes to warm tropical wetlands, it grows slowly to 8 to 15 inches, bringing clean, architectural vertical lines to your midground and background.
Key Features & Benefits
- Quill-like fronds add vertical structure and grassy texture.
- Rare collector species with high contrast against broad-leaved plants.
- Hardy and adaptable across a wide range of temperatures and parameters.
Care & Planting Instructions
-
Remove lead weight (or pot) and cotton wrap (or foam) surrounding the roots, taking care not to crush or damage the bulbous root crown.
- Use fine-tip pinsettes to anchor the root system securely into substrate, ensuring the central root crown remains elevated slightly above the soil surface.
- Provide medium-to-high lighting and clean water conditions; while adaptable to low-tech tanks, supplying regular fertilization supports steady frond development and vibrant coloration.
- Maintain stable water parameters and avoid sudden environmental shifts to prevent frond melting.
- Prune damaged or yellowing fronds near the base using sharp aquatic scissors to encourage fresh growth from the central crown. Read our trimming & propagation guide for details.
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 |
Isoetes velata var. sicula |
| Common Name(s) |
Isoetes Velata Var. Sicula, Sicilian Quillwort |
| Family |
Isoetaceae |
| Plant Type / Taxonomy |
Rosette / Quillwort (Lycophyte) |
| Care Difficulty |
Easy to Moderate |
| Light Requirement |
Medium to High |
| CO2 Requirement |
Optional / Recommended (Accelerates slow growth rate) |
| Placement / Usage |
Midground / Background Accent |
| Height / Size |
8–15”+ |
| Growth Rate |
Slow |
| Water Parameters |
pH 6.5–7.5 |
| Propagation Method |
Spores / Division of mature root crowns |
| Origin |
Mediterranean / East Asia (Japan, Korea) |
Frequently Asked Questions
1. How do I plant Isoetes Velata Var. Sicula so it doesn't rot?
When planting Isoetes, it is crucial not to bury the central root crown below the substrate line. Push the roots firmly into the soil, then gently pull the plant upward until the base of the quill-like fronds where they meet the crown is fully exposed above the substrate.
2. How does Isoetes Velata Var. Sicula propagate in the aquarium?
In nature, Isoetes reproduces via microscopic spores produced at the base of its fronds. In home aquariums, spore propagation is notoriously slow and difficult, which accounts for its rarity. Over time, mature specimens can occasionally be divided at the root crown when side offsets form.
3. Does Isoetes Velata Var. Sicula require CO2 injection?
No, CO2 injection is not mandatory for Isoetes Velata Var. Sicula. Because it is naturally adapted to low-nutrient environments, it can thrive in low-tech setups, though providing quality aquasoil, moderate light, and CO2 will noticeably speed up its inherently slow growth rate.
