
Photo: Dean Wm. TaylorCC BY 2.0via Wikimedia Commonsresized / cropped
Mountain Agoseris Plant Care
Agoseris monticola Greene
Updated · Sources · How we source care data
Agoseris monticola is a North American species of flowering plants in the family Asteraceae known by the common name Sierra Nevada agoseris or Sierra Nevada mountain dandelion. It grows in the mountains of the western United States, primarily the Cascade Range and Sierra Nevada, but also on other mountains in Nevada and Idaho.
Full sun to partial shade
At a glance
How do you care for Mountain Agoseris?
Mountain Agoseris grows best in full sun to partial shade.
What Is the Mountain Agoseris?
Mountain Agoseris (Agoseris monticola) belongs to the Asteraceae family within the Agoseris genus. Mountain Agoseris is also known as Mountain Dandelion, Agoseris covillei, Agoseris decumbens.
Mountain Agoseris displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Mountain Agoseris produces bright yellow daisy-like flowers.
What Light Does the Mountain Agoseris Need?
Mountain Agoseris thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Mountain Agoseris?
Well-draining sandy soil with some organic matter. Good drainage is essential for Mountain Agoseris to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Mountain 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 Mountain Agoseris?
Mountain Agoseris can be propagated through seeds, division of root clumps. Similar propagation techniques also apply to false dandelion plant care, which shares the same genus.
Is the Mountain Agoseris Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Mountain 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 Mountain Agoseris?
Mountain 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.
Keep exploring plants
Mountain 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.
Mountain 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 monticola Greene, family Asteraceae (first published in Pittonia 4(20): 37 (1899)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Mountain 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: Dean Wm. Taylor, CC BY 2.0, Wikimedia Commons — original.
- 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.
