🍃 Azolla (Fairy Moss) – Floating Water Fern for Natural Filtration & Shade Azolla caroliniana, commonly known as Fairy Moss, Water Fern, Mosquito Fern, Duckweed Fern, or Water Moss, is a fast-growing, floating aquatic fern that adds natural beauty and ecological function to ponds, aquariums, and outdoor water features. Its tiny, overlapping leaves form a delicate mat on the water’s surface, creating a soft, textured blanket of green that turns red or bronze under strong sunlight or cool temperatures. Known for its ability to absorb excess nutrients, shade the water surface, and inhibit algae growth, Azolla is a favorite among aquarists and pond keepers for its low maintenance and high impact. It also provides excellent cover for shrimp, small fish, and tadpoles, while helping to reduce mosquito breeding. ✨ Key Features: Scientific Name: Azolla caroliniana Common Names: Fairy Moss, Water Fern, Mosquito Fern, Duckweed Fern, Water Moss Growth Form: Small, free-floating aquatic fern Leaf Color: Bright green; turns reddish in high light or cool weather Light Demand: Low to high CO₂ Requirement: Not required Growth Rate: Fast Placement: Surface-floating plant (no substrate required) 🌿 Optimal Growing Conditions: Temperature: 59–86°F (15–30°C) pH Range: 5.5–7.5 Water Hardness: Soft to moderate Lighting: Full sun to moderate light; color intensifies in bright light 🌊 Aquarium & Pond Benefits: Natural Filtration: Absorbs ammonia, nitrates, and other waste Algae Control: Reduces light penetration to help limit algae growth Shade & Shelter: Provides protection and cover for shrimp, fry, and surface-dwelling species Eco-Friendly: Helps reduce mosquito breeding in still waters 📦 What You’ll Receive: Our Azolla is sold by portion size and packed in resealable bags. The dimensions below refer to the approximate bag size, not the coverage area after the plants are released into your aquarium or pond. Portion Size Approx. Bag Size Suggested Count Notes Small 2" × 2" 20+ Great starter portion for nano aquariums and small ponds. Medium 3" × 3" 80+ Ideal for medium aquariums and water gardens. Large 4" × 4" 320+ Best value for large aquariums, ponds, and rapid propagation. Please Note: Plant counts are approximate since Azolla plants naturally vary in size. Azolla is extremely small and reproduces rapidly under suitable growing conditions, so the number of plants will increase over time. ⚠️ Disclaimer: Azolla grows rapidly and may require regular thinning in well-lit or nutrient-rich environments. Not recommended for tanks with strong surface agitation or high flow. May be restricted in some regions—please check local regulations before purchasing.