Water Soldier
Stratiotes aloides
aquaticWater Soldier is a rosette-forming aquatic plant with sword-like, spiky leaves that float near the water surface during growing season and sink in winter dormancy. It produces delicate white flowers and provides excellent habitat and shelter for aquatic organisms. This hardy plant is suited to larger ponds and outdoor water gardens in temperate climates.
Common Problems
Select the problem your Water Soldier is experiencing to get a treatment guide.
Care Guide
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Light
Prefers full sun to bright indirect light; 10–12 hours daily for flowering. Can tolerate partial shade but flowers less prolifically.
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Water
Maintain water temperature between 50–70°F (10–21°C). Prefers cool water and benefits from seasonal temperature fluctuations.
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Soil
No soil required; floats freely. May root in muddy pond bottoms in very shallow water.
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Fertiliser
Minimal fertilizer needed. In established ponds with fish, nutrient levels are usually adequate.
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Temperature
Hardy perennial; thrives in 50–70°F (10–21°C). Dies back in winter, sinking to pond bottom, and regrows in spring.
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Humidity
Requires fully aquatic conditions. Thrives in outdoor ponds and large aquariums.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic to humans and pets. Safe for all aquatic ecosystems.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.