Sagittaria subulata

Sagittaria subulata

Sagittaria subulata (Narrow-Leaf Arrowhead) is a hardy and beginner-friendly aquatic plant that adds a natural, grass-like appearance to freshwater aquariums. Native to the Americas, this popular aquarium plant is well suited for creating lush green groups in the middle and background of planted tanks. Its narrow, strap-shaped leaves and spreading underground runners allow it to form dense, natural-looking clusters over time.

One of the main advantages of Sagittaria subulata is its adaptability. It grows well in low-tech aquariums without a pressurised CO₂ system and can thrive under moderate lighting conditions. Its undemanding nature makes it an excellent choice for beginners who want to create an attractive planted aquarium without complicated maintenance.

Depending on lighting, nutrient availability and planting density, Sagittaria subulata can grow as a relatively short carpet or develop longer leaves reaching approximately 30 cm. For long-term foreground carpeting, the smaller variety Sagittaria subulata ‘Pusilla’ may be a better choice. The standard variety is ideal for creating natural grass-like groups in the midground and background.

This versatile aquatic plant tolerates a range of water conditions, including relatively hard water, and can grow in both tropical and cooler freshwater aquariums. Under suitable conditions, it may also produce flower stalks with small white flowers that open above the water surface. Providing adequate nutrients, particularly iron, helps maintain healthy green growth and prevents new leaves from becoming pale.

Buy Sagittaria subulata in Sri Lanka from Minipura Aqua and create a beautiful, natural-looking planted aquarium with this adaptable and easy-care aquatic plant.

Plant Information

• Scientific Name: Sagittaria subulata
• Common Name: Narrow-Leaf Arrowhead
• Plant Family: Alismataceae
• Origin: North and South America
• Placement: Midground and background
• Growth Habit: Grass-like growth with underground runners
• Approximate Height: 8–30 cm, depending on growing conditions
• pH Range: 6.5–7.5
• Temperature: 20–27°C
• Lighting Requirement: Low to moderate
• CO₂ Requirement: Not essential
• Difficulty Level: Easy
• Aquarium Type: Freshwater planted aquariums
• Propagation: Underground runners

Care Tips

• Lighting: Provide low to moderate lighting. Higher light levels may encourage shorter growth, depending on nutrient availability.
• Substrate: Plant in a suitable aquarium substrate that supports root development.
• Nutrients: Supply adequate nutrients and iron to encourage healthy green leaves.
• CO₂: Additional CO₂ is optional and is not essential for normal growth.
• Maintenance: Trim longer leaves when necessary and remove excess runners to prevent the plant from spreading into areas occupied by smaller, slow-growing plants.

Sagittaria subulata is an excellent choice for aquascaping enthusiasts looking for an easy-care aquatic plant that creates a lush, natural underwater landscape.

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