• 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

Chrysanthemum 'Galaxy' (9d)

chrysanthemum 'Galaxy'

© RHS
  • Other common names chrysanthemum 'Galaxy'

  • Synonyms Dendranthema 'Galaxy'

  • Family Asteraceae

  • Genus Chrysanthemum are erect woody-based perennials with aromatic, pinnately lobed leaves and flowerheads of diverse form, from late summer to late autumn

  • Horticultural Group Single Indoor Spray chrysanthemums are tender, late-flowering varieties with single flowers, the flat ray florets surrounding yellow disk florets

  • Details 'Galaxy' is a spray chrysanthemum to 1.5m, the single flowers with deep orange rays, tinged bronze, and greenish-yellow disks

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)

    H2

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Grow in a cold frame in a loam-based potting compost and move into a warm glasshouse in early autumn. Provide bright filtered light with good ventilation and a minimum temperature of 10 °C. During the growing season water moderately and apply a balanced liquid fertiliser weekly

Propagation Propagate by rooting softwood cuttings in loam-less potting compost at 16 °C

Suggested planting locations and garden types Banks and Slopes Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Pinch out growing tips and disbud as required

Pests Susceptible to leaf and bud eelworms, aphids, glasshouse whitefly, glasshouse red spider mite and capsid bug

Diseases Susceptible to glasshouse grey mould, powdery mildews and chrysanthemum white rust

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