Photo: Unknown author Unknown authorPublic domainvia Wikimedia Commons
Blue Wood Aster Plant Care
Eurybia glauca (Nutt.) G.L.Nesom
Updated · Sources · How we source care data
Herrickia glauca is a North American species of flowering plants in the family Asteraceae, called the gray aster. It is native to the western United States, primarily in Arizona, New Mexico, Utah, Colorado, and Wyoming, with a few populations in Idaho and Montana.
Every 7–10 days
Full sun to partial shade
50–75°F
40–70%
At a glance
How do you care for Blue Wood Aster?
Water Blue Wood Aster every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Blue Wood Aster Native To?
What Is the Blue Wood Aster?
Blue Wood Aster (Eurybia glauca) belongs to the Asteraceae family within the Eurybia genus. Blue Wood Aster is native to the western United States, primarily in Arizona, New Mexico, Utah, Colorado, and Wyoming, with a few populations in Idaho and Montana. Blue Wood Aster is also known as Aster glaucodes, Aster glaucus, Eucephalus formosus.
Blue Wood Aster displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Blue Wood Aster produces daisy-like flowers in various colors.
Leaf size: approximately 4 inches.
How Often Should You Water a Blue Wood Aster?
Eurybia glauca requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Blue Wood Aster Need?
Blue Wood Aster thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Blue Wood Aster Prefer?
Eurybia glauca grows best at temperatures of 50–75°F. Blue Wood Aster prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Blue Wood Aster?
Well-draining sandy loam with added organic matter. Good drainage is essential for Blue Wood Aster to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Blue Wood Aster?
Feed Blue Wood Aster every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Blue Wood Aster?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Blue Wood Aster?
Blue Wood Aster can be propagated through division, seeds. Similar propagation techniques also apply to compact aster plant care, which shares the same genus.
Is the Blue Wood Aster Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Blue Wood Aster, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Blue Wood Aster?
Blue Wood Aster is susceptible to aphids, spider mites, powdery mildew. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Blue Wood Aster Need?
Blue Wood Aster grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Blue Wood Aster is native to the western United States, primarily in Arizona, New Mexico, Utah, Colorado, and Wyoming, with a few populations in Idaho and Montana. In cooler regions, grow Blue Wood Aster as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Blue Wood Aster is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Eurybia genus — compare its care with other Eurybia species on PlantoScan.
Eurybia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Blue Wood Aster thrives in bright light and direct sun — see other bright-light plants.
More Eurybia Species
Other Eurybia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Eurybia glauca (Nutt.) G.L.Nesom, family Asteraceae (first published in Phytologia 77: 260. 1995 [dt. Sep 1994; publ. on 31 Jan 1995]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Blue Wood Aster, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Unknown author Unknown author, Public domain, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
Identify Plants Like the
Blue Wood Aster Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species