
Eleocharis acicularis Scientific Name: Eleocharis acicularis Common Name: Needle Spikerush, Hairgrass Origin: Cosmopolitan (found across North America, Europe, Asia, and Australia) Growth Rate: Moderate to Fast Difficulty Level: Easy to Moderate Water Parameters Temperature: 18–28°C pH: 6.0–7.5 GH: 2–12 dGH KH: 1–8 dKH Lighting Moderate to high lighting is recommended. Strong lighting promotes dense growth and faster carpet formation. Under lower light conditions, the leaves may grow taller and less compact. CO₂ Requirement CO₂ supplementation is recommended for optimal growth. Encourages rapid spreading, denser growth, and healthier foliage. Can grow without CO₂, but growth will be slower and less vigorous. Nutrient Requirements Benefits from a nutrient-rich substrate. Requires a consistent supply of macro and micronutrients. Root fertilization supports healthy root development and sustained growth. Regular nutrient dosing helps maintain vibrant green coloration. Placement in Aquarium Best suited for the foreground to midground. Commonly used as a carpeting plant or to create grassy landscapes. Taller than Eleocharis parvula, making it suitable for creating depth and natural transitions. Propagation Propagated through runners. Produces daughter plants that spread horizontally through the substrate. Gradually forms dense colonies under favorable conditions. Special Care Tips Plant in small clumps with adequate spacing to encourage spreading. Occasional trimming helps maintain a tidy appearance and stimulates new growth. Ensure sufficient lighting reaches the base of the plant. Stable nutrient levels and good water circulation support healthy development.






