Spirodela polyrhiza
Spirodela polyrhiza
Common Names: Spirodela polyrhiza
Local Name: —
Family: Araceae (Lemnoideae)
Origin: Cosmopolitan
Plant Type: Free-floating aquatic
Variety: Floating (Surface)
Average Lifespan: Perennial in tropical climates
🌿 Botanical Description
| Growth Habit | Greater duckweed that rapidly absorbs excess nutrients from water |
| Plant Size | Free-floating aquatic |
| Leaves | Nutrient absorber, Fish shelter, Fast multiplier |
☀ Growing Conditions
| Climate | Tropical to subtropical; frost-sensitive |
| Sun Requirement | Medium light |
| Water Requirement | Fully aquatic |
| Soil Type | Aquatic substrate or pond soil |
| Soil pH Preference | 6.0–7.5 |
| Can it Grow in Pots? | Yes, in submerged containers or water gardens |
🌾 Cultivation & Care
| Fertilizer Schedule | Root tabs or liquid fertilizer monthly during growing season |
| Recommended Organic Fertilizers | Aquatic plant root tabs, clay-based fertilizers |
| Common Pests | Algae, snails, aphids on emergent parts |
| Common Diseases | Leaf rot, melting in poor water conditions |
| Disease Prevention & Remedies | Maintain clean water, adequate light, remove dead leaves |
🌱 Pollination & Propagation
| Propagation by Cuttings | Stem cuttings or division; plant directly in substrate |
💧 Environmental Impact & Sustainability
| Water Usage | Fully aquatic; helps maintain water quality |
| Biodiversity Benefits | Oxygenates water, provides shelter for aquatic life, absorbs excess nutrients |
📝 Orchard Observation Notes
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