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Herbaceous Perennial

Symphyotrichum novae-angliae 'Herbstschnee'

New England aster 'Herbstschnee'

'Herbstschnee' is a perennial to 1.2m tall, with lance-shaped leaves and open sprays of yellow-centred flowers 5cm across, with many narrow white rays, opening from late summer to late autumn

Synonyms

Aster novae-angliae 'Autumn Snow'
Aster novae-angliae 'Herbstschnee'
see moreAster novi-belgii 'Autumn Snow'
Aster novae-angliae Autumn Snow
Symphyotrichum novae-angliae Autumn Snow

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 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

North–facing or East–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 the UK: No
Foliage: Deciduous
Habit: Bushy
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: Accepted

How to grow

Cultivation

Grow in well-cultivated, fertile, moist soil in sun or partial shade; may need staking (see staking perennials)

Propagation

Propagate by division in spring; division every third year to maintain vigour

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Coastal
Flower borders and beds

Pruning

Cut back in late autumn

Pests

Generally pest free

Diseases

Asters may suffer Verticillium wilt, powdery mildews and grey moulds

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