- Stem plant
- Easy
- Medium–high light
- CO₂: recommended
Lobelia cardinalis
Cardinal flower
Easy stem plant for medium and high light. It grows better with added CO₂. It is used in the foreground and midground. Growth is medium, and it is rated easy to keep.
Cross-referenced · 2 sources · Reviewed Oct 3, 2026
At a glance
- Plant type
- Stem plant Foreground, Midground
- Light
- Medium, High
- CO₂
- Recommended
- Difficulty
- Easy Growth rate: Medium
- Height
- 4–12 in (10–30 cm)
- Water
- Not recorded pH 6–7.5
- Leaf color
-
- Green
- Propagation
- Cuttings, Side shoots
- Botanical name
- Lobelia cardinalis
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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Lobelia cardinalis flower spike with red flowers -
Lobelia cardinalis stem with red flowers and buds
Questions
Does Lobelia cardinalis need strong light?
Lobelia cardinalis grows in medium or high light.
Does Lobelia cardinalis need CO₂?
It grows without it, but added CO₂ helps Lobelia cardinalis grow faster and denser.
Where does Lobelia cardinalis go in the tank?
Lobelia cardinalis is used in the foreground and midground.
