Photo: Walter SiegmundCC BY-SA 3.0via Wikimedia Commonsresized / cropped
Pale Agoseris Plant Care
Agoseris glauca Greene
Updated · Sources · How we source care data
With its long, narrow leaves covered in a powdery blue hue, this plant originates from Western North America. Plant collectors are drawn to Agoseris glauca for its unique coloration and ability to thrive in rocky, dry soils.
Every 7–14 days
Full sun to partial shade
60–80°F
30–50%
At a glance
How do you care for Pale Agoseris?
Water Pale Agoseris every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 30–50% humidity.
Where Is the Pale Agoseris Native To?
What Is the Pale Agoseris?
Pale Agoseris (Agoseris glauca) belongs to the Asteraceae family within the Agoseris genus. Pale Agoseris is native to western North America. Pale Agoseris is also known as Green Agoseris, False Dandelion, Agoseris lacera.
Pale Agoseris displays a low rosette, clumping growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Pale Agoseris produces bright yellow daisy-like flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Pale Agoseris?
Agoseris glauca requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Pale Agoseris Need?
Pale Agoseris thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Pale Agoseris Prefer?
Agoseris glauca grows best at temperatures of 60–80°F. Pale Agoseris prefers humidity levels of 30–50%.
Temperature
60–80°F
Humidity
30–50%
What Soil Mix Works Best for a Pale Agoseris?
Well-draining sandy soil with some organic matter. Good drainage is essential for Pale Agoseris to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Pale Agoseris?
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 Pale Agoseris?
Pale Agoseris can be propagated through seeds, division of root clumps.
Is the Pale Agoseris Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Pale Agoseris, 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 Pale Agoseris?
Pale Agoseris is susceptible to aphids, spider mites, whiteflies. 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 Pale Agoseris Need?
Pale Agoseris grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Pale Agoseris is native to western North America.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Pale Agoseris 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 Agoseris genus — compare its care with other Agoseris species on PlantoScan.
Agoseris is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Pale Agoseris thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Agoseris glauca Greene, family Asteraceae (first published in Pittonia 2(10): 176. 1891 [15 Sep 1891]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Pale Agoseris, 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: Walter Siegmund, CC BY-SA 3.0, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 3a – 8b, estimated from the plant's typical growing conditions.
- 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.
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