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Herbaceous Perennial

Symphyotrichum novi-belgii 'Winston S. Churchill'

Michaelmas daisy 'Winston S. Churchill'

A clump-forming deciduous perennial to 80cm in height, with narrow, lance-shaped dark green foliage and masses of semi-double, daisy-like bright red-pink flowers with bright yellow centres, from late summer to early autumn

Synonyms

Aster novi-belgii 'Winston S. Churchill'

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–facing or South–facing or West–facing

Exposure

Exposed or 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)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy, Clump forming
Genus: Symphyotrichum includes around 90 species of annuals, biennials and perennials, mostly spread through the Americas, that were formerly included within the genus Aster. Leaves are simple, lance-shaped and entire, but it is their daisy-like flowerheads that they are grown for; central disc florets are typically yellow, surrounded by strap-shaped ray florets in shades of pink, blue, purple or white
Name status: Unresolved

How to grow

Cultivation

Thrives in fertile, moist but well drained soil in sun or partial shade. Plants will benefit from mulching in autumn, and division every few years to maintain vigour. Will not tolerate waterlogging in winter, and may need support, see staking (perennials). For more advice see aster cultivation

Propagation

Propagate by division in spring, replanting only vigorous young shoots

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Coastal
Cut flowers
Flower borders and beds

Pruning

Cut stems close to the ground in late autumn

Pests

May be susceptible to aphids, leaf and bud eelworms, slugs, snails and tarsonemid mite

Diseases

May be susceptible to Fusarium wilt, grey moulds, leaf spot and powdery mildews

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