Largehead Hawkweed Plant Care
Hieracium megacephalon Nash
Updated · Sources · How we source care data
Hieracium megacephalum, the coastal plain hawkweed or bigheaded hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It grows only in the southeastern United States, in Georgia, Florida, and the Carolinas.
Full sun to partial shade
At a glance
How do you care for Largehead Hawkweed?
Largehead Hawkweed grows best in full sun to partial shade.
What Is the Largehead Hawkweed?
Largehead Hawkweed (Hieracium megacephalon) belongs to the Asteraceae family within the Hieracium genus.
Largehead Hawkweed displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Largehead Hawkweed produces small yellow clustered flowers in flat-topped clusters.
What Light Does the Largehead Hawkweed Need?
Largehead Hawkweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Largehead Hawkweed?
Well-draining loamy soil with added organic matter. Good drainage is essential for Largehead Hawkweed to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Largehead Hawkweed?
Repot every 1-2 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 Largehead Hawkweed?
Largehead Hawkweed can be propagated through seeds, division of offsets. Similar propagation techniques also apply to white-flowered hawkweed plant care, which shares the same genus.
Is the Largehead Hawkweed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Largehead Hawkweed, 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 Largehead Hawkweed?
Largehead Hawkweed is susceptible to aphids, spider mites, leaf miners. 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
Largehead Hawkweed 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 Hieracium genus — compare its care with other Hieracium species on PlantoScan.
Hieracium is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Largehead Hawkweed thrives in bright light and direct sun — see other bright-light plants.
More Hieracium Species
Other Hieracium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Hieracium megacephalon Nash, family Asteraceae (first published in Bull. Torrey Bot. Club 22(4): 152 (1895)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Largehead Hawkweed, 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.
Identify Plants Like the
Largehead Hawkweed 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