Symphyotrichum oolentangiense
TAXONOMY
FamilyAsteraceae
GenusSymphyotrichum
Zone4
LEARN MORE
Plants of the World OnlineABOUT
Symphyotrichum oolentangiense, commonly known as Sky Blue Aster or Azure Aster, is a perennial plant native to North America. It belongs to the Asteraceae family and is known for its beautiful sky-blue flowers that bloom in late summer to fall. This plant thrives in temperate climates and is often found in prairies, open woods, and along roadsides.
ALSO KNOWN AS
Aster azureus
Aster azureus f. azureus
Aster azureus f. incarnatus
Aster azureus f. laevicaulis
Aster azureus var. azureus
Aster azureus var. incarnatus
Aster azureus var. laevicaulis
Aster azureus var. poaceus
Aster azureus var. scabrior
Aster capillaceus
Aster oolentangiensis
Aster oolentangiensis f. incarnatus
Aster oolentangiensis f. oolentangiensis
Aster oolentangiensis var. laevicaulis
Aster oolentangiensis var. oolentangiensis
Aster oolentangiensis var. poaceus
Aster poaceus
Aster vernalis
Sky blue aster
Symphyotrichum oolentangiense var. laevicaule
Symphyotrichum oolentangiense var. oolentangiense
Symphyotrichum oolentangiense var. poaceum
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Sky Blue Aster prefers full sun to partial shade and moderate temperatures. It requires well-drained soil and should be watered when the soil is almost dry. This plant can tolerate a range of humidity levels but prefers moderate humidity. Regular pruning helps maintain its shape and encourages more blooms.Soil
Sky Blue Aster thrives in well-drained loamy soil. It can tolerate a range of soil types but prefers soil that is not too rich in nutrients. Good drainage is essential to prevent root rot.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied in the spring to promote healthy growth. Fertilize sparingly, as too much fertilizer can lead to excessive foliage growth at the expense of flowers.Repotting
Repotting is generally not necessary for Sky Blue Aster as it is typically grown outdoors. However, if grown in containers, repot every 2-3 years to refresh the soil and provide more space for root growth.Propagation
Sky Blue Aster can be propagated by division or from seeds. Division is best done in the spring or fall. Simply dig up the plant, divide the root clump, and replant the divisions. Seeds can be sown in the spring after the last frost.Pruning
Pruning is beneficial for Sky Blue Aster. Deadhead spent flowers to encourage more blooms and cut back the plant in late fall or early spring to remove dead or damaged stems. This helps maintain a tidy appearance and promotes healthy growth.Toxicity
Sky Blue Aster is not toxic to pets or humans. It is safe to grow in gardens where children and pets are present.Additional
Sky Blue Aster is a great addition to pollinator gardens as it attracts bees, butterflies, and other beneficial insects. It is also deer-resistant, making it a good choice for gardens in areas with high deer populations.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
