Overview

Aster novi-belgii 'White Ladies' is a clump forming perennial in the genus Symphyotrichum, part of the Asteraceae family, with deciduous foliage. It typically grows around 1.2 m tall. Aster novi-belgii 'White Ladies' grows best in full sun, and tolerates most soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include borders and cut flowers. It is native to Southeastern U.S.A., New York, Northern America and Eastern Canada.

About

Symphyotrichum novi-belgii, commonly called New York aster, is a species of flowering plant. It is the type species for Symphyotrichum, a genus in the family Asteraceae, whose species were once considered to be part of the genus Aster.

Wikipedia contributors, CC BY-SA 4.0Symphyotrichum novi-belgii

About the genus

Symphyotrichum is a genus of over 100 species and naturally occurring hybrids of herbaceous annual and perennial plants in the composite family, Asteraceae, most which were formerly treated within the genus Aster. The majority are endemic to North America, but several also occur in the West Indies, Central and South America, as well as one species in eastern Eurasia. Several species have been introduced to Europe as garden specimens, most notably New England aster and New York aster.

Wikipedia contributors, "Symphyotrichum", CC BY-SA 4.0Symphyotrichum

Growing conditions

Best soil and position for Symphyotrichum

Sunlight
Full sun
Soil type
Sandy, Loamy, Clay
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing
Exposure
Full sun
UK hardiness
H7

Plant details

Aster novi-belgii 'White Ladies' size, habit and characteristics

Plant type
Perennial
Habit
Clump forming
Foliage
Deciduous
Height
1.2 m
Suggested uses
Borders, Cut flowers
Native to
Southeastern U.S.A., New York, Northern America, Eastern Canada

Care notes

Pruning and caring for Aster novi-belgii 'White Ladies'

Cultivation
Prefers moist, well-drained soil; deadhead to prolong flowering
Pruning
Cut back in early spring to encourage bushier growth
Propagation
Division, Seed
Pest resistance
Leaf and bud eelworms, Slugs, Snails
Disease resistance
Verticillium wilt, Powdery mildews, Grey moulds

Frequently asked questions

How do I grow Aster novi-belgii 'White Ladies'?

Prefers moist, well-drained soil; deadhead to prolong flowering.

Where is the best place to plant Aster novi-belgii 'White Ladies'?

Aster novi-belgii 'White Ladies' prefers full sun. It suits full sun positions.

What soil does Aster novi-belgii 'White Ladies' need?

Aster novi-belgii 'White Ladies' is adaptable and grows happily in most soil types, including sandy, loamy and clay. It prefers neutral soil. Aim for soil that stays moist but well-drained.

How do I prune Aster novi-belgii 'White Ladies'?

Cut back in early spring to encourage bushier growth.

How big does Aster novi-belgii 'White Ladies' grow?

Aster novi-belgii 'White Ladies' reaches a height of 1.2 m.

Is Aster novi-belgii 'White Ladies' hardy in the UK?

Aster novi-belgii 'White Ladies' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Aster novi-belgii 'White Ladies'?

Division, Seed.

More in the Symphyotrichum genus

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