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Aster dumosus Early Blue

Aster dumosus Early Blue
Michaelmas Daisy, Dwarf aster

5,0/5
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Very nice 2 years after planting.

Florence, 27/09/2018

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This plant carries a 12 months recovery warranty

More information

This hybrid aster is an early variety. A small perennial with a compact and sturdy habit. Between September and October, it forms a cushion covered with semi-double and star-shaped light-blue flowers with yellow hearts. A true ball of flowers to ensure the succession of summer perennials, ideal in pots or borders.
Flower size
2 cm
Height at maturity
30 cm
Spread at maturity
30 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to April, September to November
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Flowering time September to October
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Description

Aster x dumosus 'Early Blue' is a hybrid variety that blooms from late summer. This small perennial has a compact and sturdy habit, forming a cushion of semi-double flower heads resembling small daisies in a beautiful light blue colour with a yellow centre. They bloom every year between September and October. Their running stump produces ramified stems, adorned with lanceolate, dark green and glossy leaves. A true ball of flowers to ensure the succession of summer perennials, ideal in pots or borders.

 

Asters belong to the Asteraceae family, which mainly includes herbaceous plants. Aster dumosus 'Early Blue' is a dwarf hybrid derived from A. dumosus, or New York Aster, native to the eastern half of the United States, from Texas to Florida, Maine, and Wisconsin. This 30cm (12in) tall aster brightens up the garden in late summer and early autumn, covering its foliage with small light lavender-blue flower heads with a yellow centre. The dark green foliage is deciduous and composed of linear, entire leaves, and it may be prone to powdery mildew.

 

Aster dumosus 'Early Blue' thrives in a sunny or slightly shaded position in rich and moist soil. It is easy to grow, and its compact habit makes it suitable for border plantings as well as pots and containers, brightening up the surroundings of your house, even in front of your windows. It is perfect for creating charming autumn scenes when paired with golden or coppery grasses, a small golden conifer like Chamaecyparis obtusa 'Aurora', tall sedums, and green-leaved heucheras, as well as its orange chrysanthemum cousins. It can also be planted in borders or rockeries.

 

The Aster genus offers a large number of species, represented by a multitude of floriferous varieties. They come in all sizes, with an extremely rich range of colours. Each season, there are several species to choose from, including Aster alpinus or A. tongolensis for spring asters, A. amellus or A. frikartii for summer asters, and A. cordifolius, A. dumosus, A. ericoides, A. lateriflorus, A. novae-angliae, or A. novi-belgii for autumn asters.

Aster dumosus Early Blue in pictures

Aster dumosus Early Blue (Flowering) Flowering
Aster dumosus Early Blue (Foliage) Foliage
Aster dumosus Early Blue (Plant habit) Plant habit

Flowering

Flower colour mauve
Flowering time September to October
Inflorescence Flower head
Flower size 2 cm

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

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

Botanical data

Genus

Aster

Species

dumosus

Cultivar

Early Blue

Family

Asteraceae

Other common names

Michaelmas Daisy, Dwarf aster

Botanical synonyms

Symphyotrichum dumosus

Origin

Cultivar or hybrid

Product reference86861

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Planting and care

Plant Aster dumosus 'Early Blue' in autumn or spring in a flower bed or border, in rich soil that is not too dry or damp. It prefers a sunny exposure but can tolerate partial shade. In a flower bed, leave at least 30cm (12in) of space between plants. Mulch the soil from the end of spring and water in case of drought, taking care not to wet the foliage to limit the appearance of powdery mildew to which asters are susceptible. At the end of flowering, cut back the clump to 10cm (4in). Divide the clumps every 2 to 3 years to maintain vigorous plants, more resistant to powdery mildew.

6
€19.50
16
€14.50 Each

Planting period

Best planting time March, October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Beginner
Planting density 7 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, rich and well-drained

Care

Pruning instructions Using a pair of shears, remove the stems and faded flowers close to the ground at the end of winter.
Pruning Pruning recommended once a year
Pruning time March to April
Disease resistance Average
Overwinter Can be left in the ground
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