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Herbaceous Perennial

Symphyotrichum lateriflorum 'Lady in Black'

calico aster 'Lady in Black'

A clump-forming perennial to 1.3m tall with bronze to dark purple foliage emerging in spring and maturing as the stems develop. Branching sprays of small, daisy-like white flowers with pink centres appear in the autumn. Makes an excellent contribution to a prairie-style plantings scheme

Synonyms

Aster lateriflorus 'Lady in Black'

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

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 GB / Ireland: 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 moderately fertile, well-drained soil in open sunny position; may need staking

Propagation

Propagate by division in spring

Suggested planting locations and garden types

Cottage and informal garden
Coastal
Wildlife gardens
Gravel garden
Prairie planting
Flower borders and beds
Cut flowers

Pruning

Cut back in late autumn

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews and grey moulds

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