Aster ageratoides 'Ezo Murasaki' is a clump-forming perennial in the Asteraceae that produces star-shaped flower heads from August to October. It originates from eastern Asia and carries deciduous foliage. Flowers range from violet through pink to bluish with yellow centres, giving late-season interest in the border. It favours moisture-retentive, neutral loam in sheltered positions.

Balsam Aster (Aster ageratoides 'Ezo Murasaki') produces violet to bluish flowers from August to October and prefers moist, neutral loam in sun or partial.

Aster ageratoides 'Ezo Murasaki'

Balsam Aster | Aster ageratoides 'Ezo Murasaki'

Aster agertoides 'Ezo Murazaki' is a cultivar in the genus Aster (family Asteraceae) that flowers from August to October, providing late-season blooms. It extends the Aster flowering period into autumn when many other perennials have finished. Care focuses on promoting airflow and removing spent flowering stems to maintain a tidy plant. Place it where its August–October display can be easily seen from patios or paths.

Aster agertoides 'Ezo Murazaki' flowers from August to October and extends Aster interest into autumn in UK gardens.

Aster agertoides 'Ezo Murazaki'

Aster amellus 'Violet Queen' is a clump-forming perennial in the Asteraceae that bears lilac, daisy-like flowers. It is deciduous and blooms in the UK from August to October. The cultivar prefers full sun on neutral loam that stays moist but well-drained and suits a south-facing, sheltered spot. Rated H6 (very hardy), it will survive cold winters in appropriate sites.

Aster amellus 'Violet Queen' flowers from August to October and prefers full sun on neutral loam that is moist but well-drained.

Aster amellus 'Violet Queen'

European Michaelmas Daisy | Aster amellus 'Violet Queen'

Aster canus is a clump-forming perennial in the Asteraceae that flowers from August to October. It forms upright clumps with simple, often narrow leaves that are roughly textured and deciduous. Best grown in full sun on a fertile loam that stays moist but drains well, it dislikes thin, dry soils. The plant tolerates exposed or sheltered sites and carries a UK hardiness rating of H6–H7.

Aster canus is a clump-forming perennial that flowers August to October and prefers full sun on moist, fertile loam in neutral to slightly alkaline soil.

Asters bring the herbaceous border to its close, carrying sprays of small daisy flowers — narrow ray petals around a contrasting central disc — from late summer well into autumn. Growth ranges from low cushions for the front of a border to airy stems comfortably over a metre tall, all rising from clumps of simple, often narrow leaves. The flowers are a valuable late nectar source, and the palette is dominated by lavender, violet, pink and white.

Aster canus

Aster divaricatus is a clump-forming perennial that produces white flowers from August to October. It carries narrow, roughly textured leaves which are shed in winter and forms upright, multi-stemmed clumps. Best grown in fertile, moist loam on south, east or west-facing sites. Very hardy to fully hardy in UK conditions (H6–H7).

White Wood Aster (Aster divaricatus) flowers from August to October and prefers moist, neutral to slightly alkaline loam in full sun aspects.

Aster divaricatus

White Wood Aster | Aster divaricatus

Aster pyrenaeus is a clump-forming perennial in the Asteraceae that flowers from August to October. It carries an upright to well-branched habit of deciduous, often narrow leaves with a rough texture. The species performs best in full sun on moist, fertile loam and should not be placed on thin, dry soils. It is very hardy to fully hardy in the UK (H6–H7).

Aster pyrenaeus is a clump-forming perennial that flowers from August to October and prefers full sun and moist, fertile loam.

Aster pyrenaeus

Aster pyrenaeus 'Lutetia' is a clump-forming aster in the family Asteraceae that flowers from August to October. It carries deciduous foliage and establishes as a neat mound. The cultivar prefers full sun on a neutral loam that stays moist but is well-drained. Plant it in a south-facing, sheltered spot; it is rated H6 (very hardy) for UK gardens.

Aster pyrenaeus 'Lutetia' is a clump-forming Aster that flowers from August to October and prefers full sun on moist, neutral loam.

Aster pyrenaeus 'Lutetia'

Aster tataricus 'Jindai' is a clump-forming perennial in the Asteraceae that carries late-summer to autumn flower heads. It has an upright habit and deciduous foliage, producing blooms between August and October. Stems can reach substantial height, making it a good option for the rear of a border or a cottage garden backdrop. It prefers moisture-retentive, neutral loam in a sheltered, south- or west-facing spot.

Tatarian Aster (Aster tataricus 'Jindai') flowers from August to October and prefers neutral, moisture-retentive loam in sheltered south- or west-facing.

Aster tataricus 'Jindai'

Tatarian Aster | Aster tataricus 'Jindai'

Aster thomsonii is a clump-forming perennial in the Asteraceae that flowers from August to October. It grows upright to well-branched stems with deciduous, often narrow and roughly textured leaves. Give it a sunny spot in fertile, moisture-retentive loam and avoid thin, dry soils. It suits south, east or west-facing sites and will tolerate exposed as well as sheltered positions.

Thomson's aster (Aster thomsonii) flowers from August to October and prefers full sun in moist, neutral to slightly alkaline loam.

Aster thomsonii

Thomson's aster | Aster thomsonii

Aster thomsonii 'Nanus' is a clump-forming perennial aster that flowers from August to October. It forms upright to well-branched clumps with simple, often narrow leaves that have a rough texture and are deciduous. Best grown in full sun on fertile loam that is moist but well drained and neutral to slightly alkaline. It suits south, east or west-facing sites and tolerates exposed or sheltered positions in UK gardens.

Aster thomsonii 'Nanus' is a clump-forming perennial that flowers August to October and prefers full sun on fertile, moist loam.

Aster thomsonii 'Nanus'

Aster thomsonii 'Winchmore Hill' is a clump-forming perennial Aster that provides a late-summer to autumn display, flowering from August to October. It forms an upright to well-branched clump with deciduous, often narrow leaves that have a rough texture. Best sited in full sun on a fertile loam kept moist but well drained, it favours neutral to slightly alkaline soils and should not be planted in thin, dry ground. Rated H6–H7, it is very hardy to fully hardy in UK conditions.

Aster thomsonii 'Winchmore Hill' flowers from August to October and suits full sun on moist, neutral to slightly alkaline loam.

Aster thomsonii 'Winchmore Hill'

Aster tradescantii of gardens is a perennial Aster in the Asteraceae that forms upright, clump-forming plants and provides late-season flowers from August to October. The foliage is deciduous, simple and often narrow with a rough texture. It favours full sun in fertile loam that remains moist but well drained and should not be placed on thin, dry soils. Plants tolerate exposed or sheltered sites and are very hardy to fully hardy in UK gardens (H6–H7).

Aster tradescantii of gardens prefers full sun in fertile, neutral to slightly alkaline loam and flowers from August to October.

Aster tradescantii of gardens

Aster x frikartii 'Monch' is a clump-forming member of the Asteraceae that flowers from August to October. It carries deciduous foliage and forms tidy clumps that reappear each season. Place it in full sun on a south-facing, sheltered site for best performance. It prefers neutral loam that remains moist but drains freely.

Aster x frikartii 'Monch' flowers from August to October and suits south-facing, neutral loam borders in sheltered positions.

Aster x frikartii 'Monch'

Aster yunnanensis 'Napsbury' is a clump-forming perennial in the Asteraceae with an upright to well-branched habit and narrow, roughly textured leaves. It comes from south-central China and provides a late-season run of flowers. Give it full sun on fertile, neutral to slightly alkaline loam that stays moist but drains freely. It tolerates exposed sites and performs best on south, east or west-facing aspects.

Aster yunnanensis 'Napsbury' is a clump-forming perennial that flowers from August to October and prefers full sun on moist, fertile, neutral to slightly.

Aster yunnanensis 'Napsbury'

Miyamayomena koriensis is a flowering plant in the family Asteraceae and is treated within the genus Aster. It flowers from August to October. Growers should consult nursery labels or specialist references for specific site and soil recommendations before planting.

Miyamayomena koriensis is a member of the Asteraceae family that flowers from August to October.