Giant duckweed
Spirodela polyrhiza
Family : Araceae
PlantFreshwaterfloating
Fast-growing floating plant forming dense mats. Useful for nitrate absorption and as shelter for small fish.
Popularity
Easy plant
standard lighting, few requirements
Availability
Common in shopsShop availability
IUCN Status
LC
Least Concern
Description
Giant duckweed is the largest duckweed species. Each frond is 5-10 mm with multiple roots. It reproduces quickly by division and can cover the entire surface if uncontrolled. It prefers moderate to bright light and nutrient-rich water.
Habitat
Region :
Calm nutrient-rich waters, ponds, ditches
Distribution :
Recommended parameters
Temperature15–30 °C
pH6–8
GH2–15 °dGH
KH1–8 °dKH
NO₃
≤ 30 mg/L
PO₄
≤ 3 mg/L
Care
Difficulty
1/5
Diet
Photosynthetic
Min. tank
10 L
Min. group
1
Adult size
1 cm
Lifespan
1 years
Temperament
Peaceful
Propagation
Division (budding)
Care notes
Regularly control growth to prevent aquarium suffocation. Avoid strong current. Can be used in shrimp tanks.
Similar species
Espèces proches, même habitat ou même maintenance
