Aster 'Osternach' is a herbaceous perennial cultivar within the Aster genus, known for its clump-forming habit and upright stems. It features mid-green, narrowly lance-shaped to linear leaves and thrives in fertile, moisture-retentive loam soil with a neutral pH. This cultivar prefers full sun to partial shade, ideally in sheltered, south- or west-facing aspects. Hardy to UK zone H6, it is suitable for borders, cottage gardens, and mixed borders, providing interest through the summer and autumn seasons.

Aster 'Osternach' is a hardy herbaceous perennial with upright stems and mid-green leaves, ideal for summer to autumn borders and cottage gardens.

Aster 'Osternach'

Aster 'Sunspring' is a clump-forming cultivar of the Aster genus, known for its upright stems and mid-green, narrowly lance-shaped to linear leaves. This perennial thrives in fertile, moisture-retentive loam soil with a neutral pH, ideally in full sun or partial shade on south- or west-facing, sheltered aspects. Hardy to UK zone H6, it is suitable for borders, cottage gardens, and mixed borders, providing interest during summer and autumn. Propagation can be achieved by division or seed sowing.

Aster 'Sunspring' is a hardy perennial with upright stems and mid-green leaves, perfect for borders and cottage gardens from summer to autumn.

Aster 'Sunspring'

Aster ageratoides 'Adustus Nanus' is a herbaceous perennial cultivar within the Aster genus, known for its clump-forming habit and upright stems. It features mid-green, narrowly lance-shaped to linear leaves and thrives best in fertile, moisture-retentive loam soil under full sun or partial shade, ideally in sheltered, south- or west-facing positions. Hardy to UK zone H6, this cultivar is suitable for borders, cottage gardens, and mixed borders, providing interest during summer and autumn. Propagation can be achieved through division or seed sowing.

Aster ageratoides 'Adustus Nanus' is a hardy herbaceous perennial with upright stems and mid-green leaves, perfect for borders in summer and autumn.

Aster ageratoides 'Adustus Nanus'

Aster ageratoides 'Blaukuppel' is a clump-forming perennial cultivar of the Aster genus, known for its upright stems and narrowly lance-shaped to linear mid-green leaves. It thrives in fertile, moisture-retentive loam soil with a neutral pH, preferring full sun to partial shade in sheltered, south- or west-facing aspects. Hardy to UK zone H6, it is well suited to borders, cottage gardens, and mixed borders, providing interest through summer and autumn. Propagation can be achieved by division or seed sowing.

Aster ageratoides 'Blaukuppel' is a hardy perennial with upright stems and mid-green leaves, flowering in summer and autumn for borders and cottage gardens.

Aster ageratoides 'Blaukuppel'

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 ageratoides 'Harry Smith' is a clump-forming cultivar of the Aster genus, which includes perennials, annuals, and subshrubs with slender leaves and daisy-like flowers. This cultivar features upright stems with mid-green, narrowly lance-shaped to linear foliage. It thrives in fertile, moisture-retentive loam soil with a neutral pH, preferring full sun or partial shade in sheltered, south- or west-facing aspects. Hardy to UK zone H6, it is suitable for borders, cottage gardens, and mixed borders, providing interest during summer and autumn. Propagation is by division or seed sowing.

Aster ageratoides 'Harry Smith' is a hardy perennial for borders and cottage gardens, flowering from summer to autumn in full sun or partial shade.

Aster ageratoides 'Harry Smith'

Aster ageratoides Pollux ('Bocopollu') is a clump-forming perennial cultivar with upright stems, belonging to the Aster genus known for its slender leaves and daisy-like flowers. It features mid-green, narrowly lance-shaped to linear foliage and thrives in fertile, moisture-retentive loam soil with neutral pH. Suitable for full sun or partial shade, particularly in south- or west-facing, sheltered positions, this cultivar is hardy to UK zone H6. It is ideal for borders, cottage gardens, and mixed borders, offering interest in summer and autumn. Propagation can be done by division or seed sowing.

Aster ageratoides Pollux ('Bocopollu') is a hardy perennial with daisy-like flowers and slender leaves, ideal for borders and cottage gardens in summer and

Aster ageratoides Pollux ('Bocopollu')

Aster ageratoides Sirius ('Bocosir') is a clump-forming perennial cultivar within the Aster genus, known for its upright stems and mid-green, narrowly lance-shaped to linear leaves. This cultivar thrives in fertile, moisture-retentive loam soil with a neutral pH, preferring full sun or partial shade in sheltered, south- or west-facing positions. Hardy to UK zone H6, it is suitable for borders, cottage gardens, and mixed borders, providing interest during the summer and autumn seasons. Propagation can be achieved through division or seed sowing.

Aster ageratoides Sirius ('Bocosir') is a hardy perennial with upright stems and mid-green leaves, ideal for borders and cottage gardens in summer and autumn.

Aster ageratoides Sirius ('Bocosir')

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 agertoides 'Ezo Murazaki' | Autumn Aster

Aster alpinus, the alpine aster or blue alpine daisy, is a species of flowering plant in the family Asteraceae, native to the mountains of Europe, with a subspecies native to Canada and the United States. This herbaceous perennial has purple, pink, white or blue flowers in summer.

White-flowered alpine daisy (Aster alpinus var. albus) blooms in spring and summer, thrives in full sun or partial shade, ideal for borders and cottage gardens.

Aster alpinus var. albus

Aster amellus, the European Michaelmas daisy, is a perennial herbaceous plant and the type species of the genus Aster and the family Asteraceae.

Aster amellus 'Mira' is a hardy perennial Michaelmas daisy, perfect for borders and cottage gardens with summer to autumn blooms.

Aster amellus 'Mira'

Aster amellus 'Vanity' is a hardy perennial Michaelmas daisy flowering in summer and autumn, ideal for borders and cottage gardens in full sun or partial shade.

Aster amellus 'Vanity'

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 hispidus Thunb. is a herbaceous perennial belonging to the Aster genus, known for its slender leaves and daisy-like flowers. This cultivar forms upright clumps with mid-green, narrowly lance-shaped to linear foliage. It thrives best in fertile, moisture-retentive loam soil with neutral pH, favouring full sun to partial shade in sheltered, south- or west-facing aspects. Hardy to UK zone H6, it is well suited to borders, cottage gardens, and mixed borders, providing interest through summer and autumn. Propagation can be achieved by division or seed sowing.

Aster hispidus Thunb. is a hardy herbaceous perennial with slender leaves and daisy-like flowers, perfect for summer and autumn borders in full sun or partial

Aster hispidus Thunb.

Aster limonifolius is a herbaceous perennial belonging to the Aster genus, known for its slender leaves and daisy-like flowers. This cultivar forms upright clumps with mid-green, narrowly lance-shaped to linear foliage. It thrives best in fertile, moisture-retentive loam soil with a neutral pH, ideally in full sun or partial shade on a south- or west-facing, sheltered aspect. Hardy to UK zone H6, it is suitable for borders, cottage gardens, and mixed borders, providing interest through summer and autumn. Propagation can be achieved by division or seed sowing.

Aster limonifolius is a hardy herbaceous perennial with slender leaves and daisy-like flowers, ideal for borders and cottage gardens in summer and autumn.

Aster limonifolius

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 pyrenaeus 'Lutetia' | August–October flowers

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') | August to

Aster trinervius var. harae is a clump-forming cultivar of the Aster genus, which includes perennials, annuals, and subshrubs with slender leaves and daisy-like flowers. This cultivar features upright stems and narrowly lance-shaped to linear mid-green foliage. It thrives in fertile, moisture-retentive loam soil with a neutral pH, preferring full sun to partial shade in sheltered, south- or west-facing aspects. Hardy to UK zone H6, it is well suited to borders, cottage gardens, and mixed borders, offering seasonal interest in summer and autumn.

Aster trinervius var. harae is a hardy clump-forming perennial with slender leaves and daisy-like flowers, ideal for borders and cottage gardens in summer and

Aster trinervius var. harae

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 x frikartii 'Monch' | Late-season Aster for Borders

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.