Not the plant you're looking for? Search over 300,000 plants
Herbaceous Perennial

Micranthes pensylvanica

swamp saxifrage

A basal rosette of leathery, oblong leaves up to 25cm long. In spring, stout stems up to 1m tall bear branched clusters of small, greenish-yellow flowers

Synonyms
Saxifraga pensylvanica
Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Yellow Green
Summer Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Saxifragaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Clump forming
Genus

A genus of herbaceous flowering plants native to north temperate arctic and alpine regions. Green or red basal foliage forms low-growing rosettes and can be straight-edged or serrated. Delicate, star-shaped white flowers appear on upright stems in the summer

Name status

Correct

Plant range
E North America

How to grow

Cultivation

Grows best in partial shade in wet soils; suitble for boggy ground and pond margins

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.