Photo: Forest & Kim StarrCC BY 3.0via Wikimedia Commonsresized / cropped
Large-flowered golden aster Plant Care
Heterotheca grandiflora Nutt.
Updated · Sources · How we source care data
Heterotheca grandiflora is a species of flowering plant in the family Asteraceae known by the common name silk-grass goldenaster or telegraphweed. It is native to the southwestern United States (California, Nevada, Utah, Arizona) and northwestern Mexico (Baja California), but it can be found in other areas as an introduced species, such as Hawaii. It is often a roadside weed even where it is native.
Full sun to partial shade
At a glance
How do you care for Large-flowered golden aster?
Large-flowered golden aster grows best in full sun to partial shade.
Where Is the Large-flowered golden aster Native To?
What Is the Large-flowered golden aster?
Large-flowered golden aster (Heterotheca grandiflora) belongs to the Asteraceae family within the Heterotheca genus. Large-flowered golden aster is native to the southwestern United States and northwestern Mexico. Large-flowered golden aster is also known as Telegraph weed, Heterotheca floribunda.
Large-flowered golden aster displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately . Large-flowered golden aster produces daisy-like yellow flowers with a dark center.
What Light Does the Large-flowered golden aster Need?
Large-flowered golden aster thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Large-flowered golden aster?
Well-draining sandy loam with added organic matter. Good drainage is essential for Large-flowered golden aster to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Large-flowered golden 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 Large-flowered golden aster?
Large-flowered golden aster 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 Large-flowered golden aster Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Large-flowered golden 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 Large-flowered golden aster?
Large-flowered golden aster 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
Large-flowered golden 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 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.
Large-flowered golden aster 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 grandiflora Nutt., family Asteraceae (first published in Transactions of the American Philosophical Society NS 7 1841) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Large-flowered golden 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: Forest & Kim Starr, CC BY 3.0, 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.
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