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

Chrysogonum virginianum

golden knee

A spreading, mat-forming perennial to a height of 25cm, with oblong, heart-shaped slightly hairy green leaves. In mild winters it is evergreen. Flowers appear from early spring to late summer and are five-petalled and yellow

Other common names
golden star

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Buy this plant
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Sand
Loam
Chalk
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or North–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to GB / Ireland
No
Foliage
Semi evergreen
Habit
Matforming
Genus

A genus of mat-forming, low-growing, rhizomatous semi-evergreen perennials with toothed, dark green foliage and star-shaped, bright yellow flowers in spring

Name status

Correct

Plant range
E USA

How to grow

Cultivation

Grow in a woodland-type environment - deep moist soil enriched with leaf mould or other soil conditioner. Grow in sun or partial shade

Propagation

Propagate by seed, in a cold frame or sheltered place outside, as soon as ripe. Divide runners in spring or autumn

Suggested planting locations and garden types
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs
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.