Geum 'Custard Tart'

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avens 'Custard Tart'

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avens 'Custard Tart' RHS
avens 'Custard Tart' RHS
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Herbaceous Perennial
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A low-growing, clump-forming rhizomatous perennial to around 25cm high, with basal rosettes of lobed, toothed green leaves. Frilly, double custard-yellow flowers are held on tall stems above the foliage from June to August. Ideal for the front of a flower border in a cooler part of the garden

Position

Full sun, Partial shade

Soil Types

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

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

Position

Full sun Partial shade
Aspect
East–facing or South–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
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

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

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds
  • Garden edging
  • 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