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Azolla Pinnata

Azolla pinnata

Aquatic Plants Difficulty: Easy

📖 About this plant

Azolla pinnata (mosquito fern or ‘Azolla pinnata’ in Odia) is a small free-floating aquatic fern of the Azollaceae family. The plant fixes atmospheric nitrogen through symbiotic cyanobacteria (Anabaena azollae) — used as a biofertilizer in rice paddies (saves 30-50 kg N/ha). The plant is also used as livestock feed and for mosquito control.

🧑‍🌾 Care requirements

☀️
Light

Full sun

💧
Water

Regular; moderately drought-tolerant

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Humidity

Moderate

🌡️
Temperature

15-38°C

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Soil

Well-draining loam

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Fertilizer

Compost annually

📋 Plant facts

🌍 Origin
Indian Subcontinent
📏 Max height
10-20 m
📐 Spread
4-6 m
🕰️ Bloom time
Spring
🎨 Bloom color
White-yellow
🍃 Foliage color
Green
⏳ Lifespan
40+ years
📈 Growth rate
Moderate
☠️ Toxicity
Non-toxic
🌱 Propagation
Seeds

🛡️ Health & Safety

🐾 Pet safe ✅ Non-toxic

Non-toxic

Common issues

  • Leaf spot, caterpillar defoliation

💡 Care tips

  1. Plant in well-draining soil with appropriate light. Tolerates Indian tropical conditions.
🪴 Add to My Plants One click — added instantly. Watering every 7 days, fertilizing every 30 days.