Alpine aster - Aster alpinus (Care, Characteristics, Flower, Images)

Alpine aster

Also known as: Allegheny aster

A relative to sunflowers and daisies, the alpine aster is an early bloomer. It grows a single, brightly-colored flower on each stem. It can easily be grown in flowerbeds and containers, as long as it has good drainage. Plants can be propagated by division or by cuttings.

Scientific classification

Species

Alpine aster (Aster alpinus)

Asters bellflowers fanflowers and allies

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Perennial, Annual

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

Fall

Harvest Time

15 cm to 30 cm

Plant Height

30 cm

Spread

Green

Leaf Color

5 cm to 10 cm

Flower Size

Green

Fruit Color

Purple, White, Yellow, Pink, Blue, Violet

Flower Color

Green, Purple, Blue

Stem Color

Winter dormancy

Dormancy

Deciduous

Leaf type

Images of Alpine aster

Attributes of Alpine aster

Growth Rate

Experiencing slow growth, alpine aster develops gradually in the spring and summer months. This slower speed optimizes water absorption and nutrient processing, yielding a sturdy root system. Despite this pace, by late summer, alpine aster showcases a vibrant display of daisy-like blooms. Diverse environmental conditions may slightly accelerate or decelerate alpine aster's growth, the core rhythm endures.

Culture

Garden Use

Clumping alpine aster makes a great border plant in rock gardens, as it can tolerate dry and rocky soils, especially in cool weather climates. This green plant becomes quite showy in the summer when it produces colorful purple-blue blooms. Since butterflies enjoy this plant, you can use it as a showy addition in butterfly garden beds as well.

Symbolism

Patience and elegance

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Cultivars

There are several recognized cultivars of Alpine aster, including the following common varieties :

Asters 'Wood's Purple'

Care Guide for Alpine aster

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Alpine aster thrives in alpine meadows, preferring moderate moisture and tolerating brief dryness. Weekly watering supports its health, avoiding waterlogging. Grown outdoors, it thrives in cooler temperatures and natural rainfall, reflecting its seasonal bloom cycle.

Fertilize: For alpine aster, use balanced fertilizers every 4-6 weeks during the growing season to promote growth. High phosphorus fertilizers enhance blooming. Avoid nutrient burn by following product guidelines. Reduce fertilization during dormancy and be cautious with young alpine aster to prevent over-fertilization, ensuring plant health.

Pruning: Alpine aster is a low-growing perennial with vibrant blooms. Key care involves pruning dead stems in early spring and deadheading after flowering to promote growth. Regular pruning maintains its compact form and prevents disease, enhancing flowering and aesthetic appeal in gardens.

Propagation: Alpine aster thrives when propagated by sowing seeds in Spring. Successful germination is marked by sprouting seedlings. Use well-draining soil and maintain moisture to enhance propagation effectiveness.

Repotting: Repot alpine aster every 2-3 years in early spring, using a slightly larger pot with well-draining soil and adequate drainage. After repotting, water sparingly and refrain from fertilizing for 4-6 weeks to minimize stress during acclimatization.

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