• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Coreopsis tinctoria

dyer's tickseed

  • Other common names dyer's tickseed
    Nuttal weed

  • Synonyms Coreopsis marmorata
    Coreopsis elegans

    Coreopsis nana

    see more
  • Family Asteraceae

  • Genus Coreopsis can be annuals or perennials, with paired, simple, palmate or pinnately divided leaves and long-stalked, daisy-like flower-heads

  • Details C. tinctoria is an upright, fast-growing annual, with lance-shaped leaves, reaching a height of 1m by the end of the season. From summer into early autumn, daisy-like bright yellow flowerheads with red centres are borne on branching stems

  • Plant range N America

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Loam

    Loam

  • Sand

    Sand

  • Chalk

    Chalk

  • MoistureWell-drained

  • SoilLoam, Sand, Chalk

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1 year

How to grow

Cultivation Grows best in a fertile, well-drained soil in full sun

Propagation Propagate by seed

Suggested planting locations and garden types Cut Flowers Low Maintenance Flower borders and beds Cottage & Informal Garden Wildflower meadow

How to care

Pruning Deadhead to prolong flower display

Pests Generally trouble free

Diseases Generally trouble free

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