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large water frog's-eye
Azolla japonica
Azolla japonica is an aquatic fern that grows floating on the water. It thrives primarily in warm climates and exhibits good growth characteristics even in environments with abundant sunlight. This plant possesses nitrogen-fixing capabilities, making it suitable for use as an eco-friendly fertilizer. Growth Characteristics - Temperature: Optimal growth occurs between 20 and 30 degrees Celsius. - Light: Grows better in partial shade than in direct sunlight. - Water Quality: Grows in clean, nutrient-rich water. Propagation Methods - Division: Dividing a large clump into smaller clumps and floating them on water allows each to grow independently. - Spores: While it can reproduce naturally via spores, artificial propagation is primarily achieved through division. Cultivation Methods - Location Selection: Place in a location with moderate sunlight. - Container Selection: A wide, shallow tank or pond is ideal. - Water Management: Maintain clean water and add nutrients as needed. 4. Spacing: Maintain spacing to prevent overcrowding. Uses in Gardens - Aesthetic Effect: Covers the water surface, providing green aesthetic value. - Water Purification: Improves water quality by absorbing organic matter and nitrogen. Important Pests and Control Methods - Diseases: Usually, there are no serious diseases, but overcrowding may inhibit growth. - Pests: Generally has high resistance to pests. - Control Methods: Natural control is primarily effective; prevention can be achieved by adjusting plant spacing and watering as needed. Lemna minor (Yaponica) is relatively easy to care for, making it suitable for gardens or aquatic landscaping. Its robust growth characteristics make it an easy plant for beginners to cultivate.
Plant Type
Plant Family
snail family
Height
1.5∼7cm
Spread
Colors
sporophyte
Bloom Period
Water Needs
well
Exposure
Sunny
Freezing Resistance
-10°C
water frog's rice
Azolla imbricata
wrinkled water frog's-eye
Azolla filiculoides