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Wolffia arrhiza

Wólffia arrhiza

Family: Araceae
Genus: Wolffia

Difficulty

Very Easy

Light

Low to High

Usage

Floating

Ideal Conditions

Temperature

4-32°C(opt: 24°C)

CO2

2-40mg/L

pH

5-8

Nutrients

Description

Watermeals (Wolffia) are the smallest flowering plants, characterized by a simplified, rootless, roundish vegetation body typically less than 1 millimeter in size. Wolffia arrhiza is found in Africa, Europe, Asia, Australia, and South America (near Rio de Janeiro), thriving in tropical to temperate climates. In Germany, it is commonly discovered near the rivers Spree, Havel, and Weser, particularly in stagnant waters sheltered from wind, often accompanied by duckweed species like Lemna and Spirodela.

Wolffia arrhiza

Growth Rate

Fast

Nitrate (NO3): 10-50mg/L
Phosphate (PO4): 0.1-3mg/L
Potassium (K): 5-30mg/L
Iron (Fe): 0.01-0.5mg/L

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