- Stem plant (editor's classification)
- Easy
- Medium–high light
- CO₂: not needed
Azolla
Mosquito fern · Fairy moss · Azolla caroliniana
Easy stem plant for medium and high light. It grows without added CO₂. It floats at the surface. Growth is fast, and it is rated easy to keep.
Sources compared · 2 sources · Reviewed Oct 3, 2026
At a glance
- Plant type
- Stem plant (editor's classification) Floating
- Light
- Medium, High
- CO₂
- Not needed
- Difficulty
- Easy Growth rate: Fast
- Height
- 0–1 in (1–2 cm)
- Water
- 64–77 °F (18–25 °C) pH 5–8
- Leaf color
-
- Green
- Propagation
- Division
- Botanical name
- Azolla caroliniana
In the tank
Our sources don't record anything else about this plant in the tank.
Origin
Native to North America
Sources
Where to buy
Prices rechecked dailyAll photos
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Azolla caroliniana small floating fronds covering a water surface
Questions
Does Azolla need strong light?
Azolla grows in medium or high light.
Does Azolla need CO₂?
No. Azolla grows without added CO₂.
Where does Azolla go in the tank?
Azolla is used in the floating.
