Geum × intermedium 'Hofrennydd'

RHS Plant Profile
avens 'Hofrennydd'

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avens 'Hofrennydd' RHS
avens 'Hofrennydd' RHS

Synonyms

Geum × intermedium Helicopter

Plants for pollinators
Herbaceous Perennial
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A low-growing, spreading, clump-forming rhizomatous perennial to around 20cm high, with basal rosettes of lobed and toothed green leaves. Semi-drooping, nodding creamy yellow to white flowers with a green calyx covering the tops of the petals are held on stems above the foliage continuously from mid April to mid May. Good for a shady part of the garden

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full shade Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Spreading branched
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
Unresolved

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil in a shady area. 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
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Deadhead to promote more blooms, and cut back old stems after flowering

Pests

May be susceptible to leaf miners and geum sawfly

Diseases

May be susceptible to powdery mildews