Water speedwell
Veronica anagallis aquatica · Aquatic plants
Photo: Tommy Forrest / CC0
Also called Brook pimpernel, Veronica anagallis aquatica
How to identify Water speedwell
- Opposite leaves without stalks clasping the stem
- Spikes of pale blue to lilac flowers
- Upright succulent stems
- 1 to 3 feet
Similar plants
American speedwell has stalked leaves.
Growth profile
| Growing season | Grows from spring, flowers May to September. |
|---|---|
| Starts growing | About 45 to 50 F water |
| Light | Full sun |
| Depth | Saturated soil to about 6 inches of water |
| How it spreads | Seeds and rooting stems |
| Habitat | Ditches, springs, canals and pond edges. |
Why it matters in a lake
Common in ditches and along canals.
Where it is found
- Idaho: Occasional
- Oregon: Occasional
- Wyoming: Occasional
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Scientific name | Veronica anagallis aquatica |
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Is it taking over your lake?
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