- Rosette plant
- Easy to medium (sources differ)
- Low–high light
- CO₂: not needed
Water lettuce
Pistia stratiotes
Easy rosette plant for low, 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
- Rosette plant Floating
- Light
- Low, Medium, High
- CO₂
- Not needed
- Difficulty
- Easy to medium (sources differ) Growth rate: Fast
- Height
- 3–6 in (8–15 cm)
- Water
- 68–81 °F (20–27 °C) pH 6.5–7.5
- Leaf color
-
- Green
- Propagation
- Side shoots, Runners, Division
- Botanical name
- Pistia stratiotes
In the tank
Our sources don't record anything else about this plant in the tank.
Origin
Native to Worldwide
Sources
Where to buy
Prices rechecked dailyAll photos
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Water lettuce (Pistia stratiotes) rosettes floating on the water surface -
Water lettuce (Pistia stratiotes) rosettes covering the water surface
Questions
Does Water lettuce need strong light?
Water lettuce grows in low, medium, or high light.
Does Water lettuce need CO₂?
No. Water lettuce grows without added CO₂.
Where does Water lettuce go in the tank?
Water lettuce is used in the floating.
