Cyperus helferi
Cyperus helferi Boeckeler
Save this plant or add it directly to one of your aquariums.
Need help with Cyperus helferi?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Planting & care
- PlacementMidground, Background
- Growth typeRosette plant
- LightMedium
- CO2Recommended
- Height7.9–13.8" (20–35 cm)
About this plant
Cyperus helferi is a distinctive Thai sedge and one of the few Cyperus species that adapts well to permanent submerged aquarium culture. It forms a broad rosette of narrow light-green leaves that reach about 20 to 35 cm high and 15 to 25 cm wide. The leaves bend and sway in the current, giving the plant a softer appearance than most upright grass-like species. Medium to strong light and carbon dioxide around 6 to 14 mg/L support steady development, while good water circulation helps keep the long leaves clean and evenly supplied with nutrients. Plant the crown above the substrate and provide root nutrition, especially when using inert gravel or sand. Growth is slow, so Cyperus helferi should not be shaded by fast stem plants. Remove damaged or ageing leaves at the base rather than cutting them across the middle. Mature rosettes produce daughter plants near the base or on flowering structures; separate them only after roots have formed. Its size and movement make it a strong midground or background specimen for larger aquariums.
Quick specs
- Difficulty
- Intermediate
- Light
- Medium
- CO₂
- Recommended
- Temperature
- 72–84°F (22–29°C)
- Placement
- Midground, Background
- Growth type
- Rosette plant
- Aquarium suitability
- Suitable for aquariums Suitable for long-term aquarium use.
- Approx. height
- 7.9–13.8" (20–35 cm)
Water conditions
Plant reference ranges, not dosing instructions or measurements from your aquarium. Consider livestock needs and measured conditions.
- Temperature
- 72–84°F (22–29°C)
- pH
- 5–7
- Carbonate hardness
- 0–10 °dKH
- CO₂ (mg/L)
- 6–14 mg/L
Growth & placement
- Growth rate
- Slow
- Width
- 5.9–9.8" (15–25 cm)
- Propagation
- daughter plants and division
- Color
- Green
Grow it successfully
What you’ll need to grow Cyperus helferi
Start with this plant’s documented care needs, then use an AquariumLesson calculator to size the setup for your aquarium.
CO₂
This plant’s care profile lists CO₂ injection as recommended, not required.
Estimate dissolved CO₂Substrate
A suitable substrate or targeted root nutrition can support this plant's growth habit.
Calculate how much substrate you needTaxonomy
- Major group
- Angiosperms
- Family
- Cyperaceae
- Genus
- Cyperus
- Botanical name
- Cyperus helferi Boeckeler
