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Waitt, Damon E.
Symphyotrichum oolentangiense (Riddell) G.L. Nesom
Skyblue aster, Sky blue American-aster
USDA Symbol: SYOO
USDA Native Status: L48 (N), CAN (N)
A 1-3 ft. aster with flower head arranged in an elongate spreading cluster. Each flower is made up of 10-20 pale-lavender rays surrounding a yellow center. Lower leaves are elongate and somewhat heart-shaped.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Blue , Purple , Violet
Bloom Time: Sep , Oct , Nov
, WI Canada: ON Native Distribution:
w. to MN,
& TX Native Habitat:
# Found at edges of woods, in open woods and prairies, and along roadsides; dry, sandy or rocky sites.
Growing ConditionsWater Use:
Low Light Requirement:
Sun , Part Shade , Shade Soil Moisture:
Dry , Moist Drought Tolerance:
High Soil Description:
Mesic to dry, average soils. Conditions Comments:
Sky Blue Aster has numerous spreading flower
branches with flowers on long stalks that bloom late summer to fall. The flowers have deep blue to lavender petals surrounding a yellow disk that are especially appealing to gardeners and butterflies. Plant in average, dry to moist, well-drained soil in full sun.
BenefitConspicuous Flowers: yes
Nectar Source: yes
Deer Resistant: No
PropagationDescription: Sow seeds, 5/8 deep, outside in fall or provide cold stratification. Also propagated by softwood cuttings taken in late spring.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Record Last Modified: 2012-12-09
Research By: JMS