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Aster alpinus

Aster alpinus
Alpine Aster, Rock Aster, Blue Alpine Daisy

3,7/5
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The seeds haven't germinated!

Isabelle B., 30/10/2017

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This plant carries a 6 months recovery warranty

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This aster is a small mountain perennial and ground cover, with a spreading habit, ideal for rock gardens. It covers its dark foliage with large white to blue-violet capitula with a yellow centre, which last throughout the summer and even until the beginning of autumn, provided that the sowing dates are spread out. Fully hardy, it will thrive in the sun in any well-drained soil, even limestone.
Flower size
3 cm
Height at maturity
25 cm
Exposure
Sun
Annual / Perennial
Perennial
Germination time (days)
20 days
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Sowing period March to April
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Flowering time June to September
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Description

Aster alpinus, also known as alpine aster, is a small perennial native to mountainous regions of Europe. It quickly forms a ground cover on grassy vegetation, ideal for rock gardens. It hides its dark foliage under large, brightly coloured flower heads, which are white to blue-violet with a yellow centre. These last throughout the summer and even into autumn, provided that the sowing dates are spread out. Fully hardy and drought-tolerant, it will thrive in full sun in any well-drained soil, even limestone.

The alpine aster is a plant of the Asteraceae family, which enjoys the sunlight of dry gravelly meadows or the soil of open woodland, up to an altitude of 3000 m (9842 ft). This small herbaceous perennial forms a carpet of dark green leaves that does not exceed 25 cm (9.8 in) in height, spreading as a ground cover over at least 30 cm (11.8 in) in width. Its foliage consists of entire, thin, pubescent leaves. From June to September, erect and pubescent stems arise from these, bearing solitary, brightly coloured flower heads measuring 35 to 45 mm (1.4 to 1.8 in) in diameter in the upper part. The ligules on the circumference are white, blue, lilac or mauve depending on the plant, and always arranged in a collar around a centre consisting of yellow tubular flowers. The flowers are melliferous and nectariferous.

Alpine asters are perfect for rock gardens and borders, where they form remarkable colour carpets. The mix we offer brings the charm of mountain meadows to your garden. Sow it in well-drained soil and it will be sublime in autumn alongside ornamental grasses like Stipa tenuifolia, small miscanthus, briza or Mulhenbergia capillaris. It can also be planted above walls, combined with deltoid pinks.

Flowering

Flower colour multicoloured
Flowering time June to September
Inflorescence Flower head
Flower size 3 cm

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 25 cm
Spread at maturity 30 cm
Growth rate normal

Botanical data

Genus

Aster

Species

alpinus

Family

Asteraceae

Other common names

Alpine Aster, Rock Aster, Blue Alpine Daisy

Origin

Alps

Product reference423111

Planting and care

Sow from February to July at a temperature of 20-30 °C (68-86 °F), on the surface of moist and well-drained compost. Do not cover the seeds. Place in a mini-greenhouse or in a polyethylene bag until germination occurs, which usually takes 21 to 100 days. Keep the seedling in the light, as this facilitates germination. Transplant the plants when they are large enough to handle, into trays or pots of 8 cm (3.1 in). Place them in a cooler and very bright environment for 10 to 15 days before final transplantation. Keep a distance of 30 cm (11.8 in) between each plant. Carry out this last procedure when all risk of frost has been eliminated. Alternatively, directly sow in the ground in May-June. Thin out the seedlings, keeping only one plant every 30 cm (11.8 in).

6
19,50 €
17
14,50 € Each

Sowing period

Sowing period March to April
Germination time (days) 20 days

Intended location

Suitable for Meadow, Rockery
Type of use Border, Slope
Hardiness Hardy down to -34°C (USDA zone 4) Show map
Ease of cultivation Amateur
Exposure Sun
Soil pH Neutral, Calcareous
Soil moisture Dry soil, Moist soil, draining
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