Chrysanthemum 'Nell Gwynn' (21d)

RHS Plant Profile
chrysanthemum 'Nell Gwynn'

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chrysanthemum 'Nell Gwynn' RHS

Synonyms

Dendranthema 'Nell Gwyn'

Plants for pollinators
Conservatory Greenhouse Herbaceous Perennial
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A single, spray cultivar reaching around 1m in height. Ray florets are a dusky, peachy-pink and there's a cream halo around the yellow central disc. Long-flowering and retains colour with age

Position

Full sun

Soil Types

Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
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
Columnar upright
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus
Chrysanthemum are erect woody-based perennials with aromatic, pinnately lobed leaves and flowerheads of diverse form, from late summer to late autumn
Name Status
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Single Korean chrysanthemums are perennials with lobed leaves and single flowerheads

How to Grow

Cultivation

Plant out after frosts. Stake, water regularly and feed until flower buds colour up. See chrysanthemum cultivation

Propagation

Propagate by basal cuttings in early spring

Suggested planting locations and garden types

  • Flower borders and beds
  • Cut flowers

Pruning

Will require pinching out for best results

Pests

May be susceptible to chrysanthemum leaf miner, glasshouse whitefly and aphids

Diseases

May be susceptible to glasshouse grey mould, powdery mildews and chrysanthemum white rust