• 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

Solidago rugosa 'Fireworks'

goldenrod 'Fireworks'

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
  • Other common names goldenrod 'Fireworks'

  • Family Asteraceae

  • Genus Solidago are woody-based perennials, some invasive, with erect stems bearing narrow leaves and terminal panicles or racemes of small yellow flowers in summer and autumn

  • Details 'Fireworks' is a slowly clump-forming, non-invasive, cultivar. It flowers in late summer through to autumn. Its sprays of tiny yellow flowers are held in finer wands than many of its more densely-flowered relatives

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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

Sunlight

  • Full Sun

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

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Clay, Loam

  • pHAcid, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in poor to moderately fertile, preferably sandy, well-drained soil in full sun. Will tolerate light shade

Propagation Propagate by division in early spring

Suggested planting locations and garden types Flower borders and beds Cut Flowers Cottage & Informal Garden Prairie Planting Wildlife Gardens

How to care

Pruning Cut back in later winter during borders tidying

Pests Generally pest free

Diseases May be subject to powdery mildews if conditions are too dry

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