Coreopsis verticillata 'Grandiflora'

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tickseed 'Grandiflora'

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tickseed 'Grandiflora' RHS 2001

Synonyms

Coreopsis verticillata 'Golden Shower'

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Herbaceous Perennial
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A compact herbaceous perennial to 60cm, with finely divided leaves and deep golden-yellow daisies borne in an open, branched inflorescence

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or North–facing or West–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Coreopsis can be annuals or perennials, with paired, simple, palmate or pinnately divided leaves and long-stalked, daisy-like flower-heads
Name Status
Accepted

How to Grow

Cultivation

Grow in a fertile, well-drained soil in full sun or partial shade

Propagation

Propagate by seed, sown at 13-16°C in late winter or propagate by division in early spring or root basal cuttings in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • City and courtyard gardens
  • Patio and container plants
  • Prairie planting
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead to prolong flowering then cut right back in late autumn

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free