Aster alpinus – Alpine Aster

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Scientific Name

Aster alpinus L.

Common Names

Alpine Aster, Blue Alpine Daisy, Rock Aster, Wild Aster

Synonyms

Aster alpinus subsp. alpinus, Aster alpinus var. alpinus, Aster breyninus, Aster chrysocomoides, Aster cylleneus, Aster fallax, Aster garibaldii, Aster hirsutus, Aster hispanicus, Aster korshinskyi, Aster nivalis, Aster pulchellus, Aster scabris, Aster wolfii

Scientific Classification

Family: Asteraceae
Tribe:
Astereae
Genus: Aster

Flower

Color: pink, violet-lavender, dark purple-black, or white-near white
Bloom Time: Late spring or early summer

Description

Aster alpinus is a herbaceous, perennial forming a clump up to 12 inches (30 cm) in height, with narrow dark green leaves and daisy-like flowerheads up to 2 inches (5 cm) in width. The bloom color may be pink, violet-lavender, dark purple-black, or white-near white and may bloom in late spring or early summer or, occasionally, midsummer.

Aster alpinus - Alpine Aster

Photo via wikimedia.org

Hardiness

USDA hardiness zone 3a to 8b: from −40 °F (−40 °C) to 20 °F (−6.7 °C).

How to Grow and Care

Divide mature plants in spring, just as the new shoots begin to grow. This should be done every few years to avoid crowding of plants.

As with many other flowering plants, dead head (cut back spent flowers) to make room for newer blossoms. This will extend the health and flowering of your plants. Be sure to dead head early on in the blooming season. Blooming will be reduced if done too late. This will also restrain unwanted reseeding which will cause plant overcrowding.

Remember, Asters are prone to mildew so be careful to plant them in areas with good circulation and good sun exposure.

As with other flowering plants, do not allow water to saturate leaves. Be sure to water at the plant’s roots to prevent mildew and mold. Drip irrigation and utilization of a soaker hose work very well in watering these plants… – See more at: How to Grow and Care for Aster.

Origin

Native to Canada and the United States.

Links

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