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Herbaceous Perennial

Geum 'Lionel Cox'
  • RHS Plants for pollinators

avens 'Lionel Cox'

A clump-forming perennial, to around 30cm high, forming a low mound of soft, deeply lobed green leaves with toothed edges. Nodding, pale primrose yellow flowers with ruffled petals are borne on slender stems above the foliage from late spring to late summer

Synonyms
Geum rivale 'Lionel Cox'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

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

Geum are rhizomatous perennials, occasionally spreading by stolons, with a basal rosette of pinnately lobed leaves and saucer-shaped flowers in loose clusters

Name status

Accepted

How to grow

Cultivation

Thrives in fertile, moist but well-drained soil in full sun or light shade. Avoid areas that are waterlogged over winter. Divide every three years or so to maintain vigour

Propagation

Propagate by division in autumn or spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
  • Ground cover
Pruning

Deadhead regularly to encourage more flowers

Pests

May be susceptible to geum sawfly

Diseases

May be susceptible to downy mildews

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