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Sky Blue Aster | Aster oolentangiensis

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Seeds are sold by the packet.

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Each packet of Sky Blue Aster contains 300 seeds.

Price: Seed $ 2.50

Plant Species Synonym Names

Scientific: Aster azureus, Symphyotrichum oolentangiense

Common: Azure aster

Family

Aster - Asteraceae

Image

Sky Blue Aster

See more images Sky Blue Aster Detail

Description

Sky Blue Aster is one of the last of the flowers to bloom in the fall. They are important nectar sources for butterflies, especially the migrating Monarchs that need energy to make their trip to Mexico. This aster has pretty sky blue blooms.

Characteristics

Growth Habit:Herb: Herbs are broad-leaved, herbaceous (non-woody) plant. Herbaceous plants are also known as forbs or wildflowers
Grass: Grasses are herbaceous plants with narrow leaves originating at the base of the plant. Grasses are graminoids.
Tree: Trees are woody perennial plants, usually with a single trunk, relatively tall
Shrub: Shrubs are woody perennial plants with multiple stems, generally shorter than a tree.
Vine: Vines are either woody or herbaceous plants that climb or sprawl.
 Herb

Life Span:Annual: Annuals are herbaceous plants that live only one year
Biennial: Biennials are herbaceous plants that live two years, flowering the second
Perennial: Perennials are herbaceous plants that live three or more years
Woody: Woody plants have woody stems that grow more than a year.
 Perennial

Mature Height: 3.0'

Mature Width: 3.0'

Flower Color: Blue

Sun Requirement:Full Sun: direct sun 8 or more hours of the day
Part Sun: direct sun 4 to 8 hours of the day; about half a day of sun
Shade: direct sun 0 to 4 hours of the day
 Full Sun

Water Requirement:Wet: Soil is soggy or marshy
Moist: Soil tends to stay moist and rarely dries out
Medium: Average soil moisture, little or now slope
Drained: Soil is well drained, never soggy; medium slope
Dry: Soil is dry, often typical of rocky soil; steep slope
 Medium to Dry

Companion Plants

Sky Blue AsterButton Gayfeather
Liatris aspera

 

Sky Blue AsterGray Goldenrod
Solidago nemoralis

 

Sky Blue AsterStiff Goldenrod
Solidago rigida