Hydrocotyle vulgaris
marsh pennywort
A creeping, moisture-loving, low-growing perennial forming a mat of round, shallow-toothed leaves, 1-5cm wide, held erect on short stems attached to the leaf centres. Tiny, inconspicuous flower clusters appear in late spring and summer
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Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | Green | ||
|---|---|---|---|---|
| Summer | Green | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Araliaceae
- Native to GB / Ireland
- Yes
- Foliage
- Deciduous
- Habit
- Matforming, Submerged, Floating
- Genus
A genus of aquatic or semi-aquatic horizontal plants which can be found in ponds, lakes, rivers, marshes and sometimes coastal areas. They form mats of long, creeping stems and clusters of pale green to pink flowers on upright spikes
- Name status
Correct
How to grow
Cultivation
Grow in full sun or partial shade in moisture-retentive soils in bog gardens or at pond margins or grow shallowly submerged in water up to 5cm deep. See pond plants and bog gardens for further advice
Propagation
Propagate by division
Suggested planting locations and garden types
- Low Maintenance
- Ground cover
Pruning
Cut back regularly to control spread
Pests
Generally pest-free
Diseases
May be susceptible to mint rust
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