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Potamogeton pectinatus

fennel pondweed

A submerged perennial with thread-like submerged leaves and insignificant submerged flowers in summer; useful oxygenator

Other common names
duck grass
duck moss
see morepotato moss
Size
Ultimate height
Up to 10cm
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
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
H7
Botanical details
Family
Potamogetonaceae
Native to the UK
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

Get involved

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