Callitriche hermaphroditica
autumnal water starwort
A submerged aquatic perennial with slender stems bearing linear leaves. Useful as an oxygenating plant for ponds and aquaria
Synonyms
Callitriche autumnalisSize
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | ||||
---|---|---|---|---|
Summer | Green | |||
Autumn | ||||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Plantaginaceae
- Native to GB / Ireland
- Yes
- Foliage
- Deciduous
- Habit
- Submerged
- Genus
Callitriche can be terrestrial or aquatic perennials with slender stems bearing linear or spoon-shaped leaves and minute flowers in summer, useful oxygenating plants for ponds
- Name status
Correct
- Plant range
- N America, Europe
How to grow
Cultivation
Grow in baskets to restrict spread, in a peat-free, loam-based potting compost in full sun or partial shade. Submerge baskets in water 45-60cm deep
Propagation
Propagate by softwood cuttings of terminal shoots
Suggested planting locations and garden types
- Low Maintenance
Pruning
No pruning required. Cut back after flowering
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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