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BogsAquaticHerbaceous Perennial

Saururus cernuus

swamp lily

A marginal aquatic perennial, with deep green, heart-shaped leaves and curving spikes of tiny fragrant white flowers

Other common names
American swamp lily
breastweed
see morelizard's tail
water dragon

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Saururaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Saururus are marginal aquatic herbaceous perennials with long-stalked, ovate leaves, heart-shaped at the base, and very small, fragrant white flowers in a slender nodding raceme in late summer

Name status

Correct

Plant range
Eastern N America

How to grow

Cultivation

Grow in boggy ground or pond margins in full sun or partial shade in water no deeper than 10cm. Divide regularly to maintain vigour. See pond plants and bog gardens for further advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Low Maintenance
Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

Generally disease-free

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