Heterotheca marginata Plant Care
Heterotheca marginata Semple
Updated · Sources · How we source care data
Heterotheca marginata, the Sonora false goldenaster, is a rare North American species of flowering plant in the family Asteraceae. It grows in Arizona in the southwestern United States.
Full sun to partial shade
At a glance
How do you care for Heterotheca marginata?
Heterotheca marginata grows best in full sun to partial shade.
What Is the Heterotheca marginata?
Heterotheca marginata (Heterotheca marginata) belongs to the Asteraceae family within the Heterotheca genus. Heterotheca marginata is native to only three counties in the south-central part of the state: Maricopa, Pinal, and Gila.
Heterotheca marginata displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Heterotheca marginata produces daisy-like yellow flowers with a dark center.
What Light Does the Heterotheca marginata Need?
Heterotheca marginata thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Heterotheca marginata?
Well-draining sandy loam with added organic matter. Good drainage is essential for Heterotheca marginata to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Heterotheca marginata?
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 Heterotheca marginata?
Heterotheca marginata can be propagated through seeds, division of clumps. Similar propagation techniques also apply to arizona golden aster plant care, which shares the same genus.
Is the Heterotheca marginata Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Heterotheca marginata, 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 Heterotheca marginata?
Heterotheca marginata 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
Heterotheca marginata 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 Heterotheca genus — compare its care with other Heterotheca species on PlantoScan.
Heterotheca is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Heterotheca marginata thrives in bright light and direct sun — see other bright-light plants.
More Heterotheca Species
Other Heterotheca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Heterotheca marginata Semple, family Asteraceae (first published in Univ. Waterloo Biol. Ser. 37: 83, fig (1996)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Heterotheca marginata, 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.
- 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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