Potamogeton pectinatus
fennel pondweed
A submerged perennial with thread-like submerged leaves and insignificant submerged flowers in summer; useful oxygenator
Size
Ultimate height
Up to 10cmTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | ||||
|---|---|---|---|---|
| Summer | Green | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Potamogetonaceae
- Native to GB / Ireland
- Yes
- Foliage
- Deciduous
- Habit
- Submerged
- Genus
Potamogeton can be marginal or deep water aquatic perennials, with translucent submerged and leathery floating leaves, and small spikes of inconspicuous flowers held below or just above water level
- Name status
Correct
How to grow
Cultivation
Grow in baskets of sandy loam in the bottom mud of the pond, in full sun or partial shade. See pond plants for further advice
Propagation
Propagate by stem cuttings from mid spring to early summer
Suggested planting locations and garden types
- Low Maintenance
Pruning
Thin on a regular basis to keep in check
Pests
Generally pest-free
Diseases
Generally disease-free
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