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Aster 'Tonga'

Michaelmas daisy

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Key information

Plant type

Hardy perennial

Flower colour



Flowers, Attractive to wildlife



Skill level


photo by J S Sira, copyright GAP Photos (34444)

Plant details

Asters are in the daisy family and while some flower in spring, most flower in late summer and autumn. By planting in a sunny, airy position, ensures maximum flowering. After flowering, cut back hard. Aster 'Tonga' produces purple flowers.

Family: Asteraceae

Genus: Aster

Cultivar: Tonga

Plant type: Hardy perennial

Flower colour: Purple

Foliage colour: Mid-green

Feature: Flowers, Attractive to wildlife

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Chalky/alkaline

Hardiness: Hardy

Skill level: Experienced

Height: 45cm

Spread: 30cm

Time to divide plants: March to April

Flowering period: September to October

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