Chrysanthemum 'Pat Machin'

RHS Plant Profile
chrysanthemum 'Pat Machin'

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chrysanthemum 'Pat Machin' RHS
chrysanthemum 'Pat Machin' RHS
Conservatory Greenhouse Herbaceous Perennial

'Pat Machin' is a cultivar that reaches around 120cm in height. Grown as a late spray, it bears white double flowers, tinged green in the centre as they open

Position

Full sun

Soil Types

Loam

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Neutral

Position

Full sun
Aspect
West–facing or South–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)
H2

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
Unresolved

How to Grow

Cultivation

Grown in pots, these tender plants should be brought indoors in early autumn. Stop and disbud during the growing season, according to whether sprays or disbuds are required. Stake (see staking perennials), water regularly and feed until flower buds colour up. See chrysanthemum cultivation

Propagation

Propagate by basal cuttings

Suggested planting locations and garden types

  • Patio and container plants
  • Cut flowers

Pruning

Will require stopping 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