Overview

Symphyotrichum patens is a clump forming herbaceous perennial in the genus Symphyotrichum, part of the Asteraceae family, with deciduous foliage. Symphyotrichum patens grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include coastal, cottage and informal garden, gravel garden, prairie planting, wildlife gardens, cut flowers and flower borders and beds.

About

Symphyotrichum patens, commonly known as late purple aster or spreading aster, is a perennial, herbaceous plant found in the eastern United States.

Growing conditions

Best soil and position for Symphyotrichum

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Symphyotrichum patens size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Suggested uses
Coastal, Cottage and informal garden, Gravel garden, Prairie planting, Wildlife gardens, Cut flowers, Flower borders and beds

Care notes

Pruning and caring for Symphyotrichum patens

Propagation
Division in spring, Root softwood basal cuttings in spring
Pest resistance
Leaf and bud eelworms, Slugs, Snails
Disease resistance
Verticillium wilt, Powdery mildews, Grey moulds

Frequently asked questions

Where is the best place to plant Symphyotrichum patens?

Symphyotrichum patens prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Symphyotrichum patens need?

Symphyotrichum patens is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.

Is Symphyotrichum patens hardy in the UK?

Symphyotrichum patens has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Symphyotrichum patens?

Division in spring, Root softwood basal cuttings in spring.

More in the Symphyotrichum genus

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