Photo: Bruce MarlinCC BY-SA 2.5via Wikimedia Commonsresized / cropped
Greene's Hawkweed Plant Care
Hieracium greenei A.Gray
Updated · Sources · How we source care data
Hieracium greenei (not to be confused with Hieracium greenii) is a species of hawkweed known by the common name Greene's hawkweed.
Full sun to partial shade
At a glance
How do you care for Greene's Hawkweed?
Greene's Hawkweed grows best in full sun to partial shade.
What Is the Greene's Hawkweed?
Greene's Hawkweed (Hieracium greenei) belongs to the Asteraceae family within the Hieracium genus. Greene's Hawkweed is also known as Hieracium oregonicum.
Greene's Hawkweed displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Greene's Hawkweed produces small yellow clustered flowers in flat-topped clusters.
What Light Does the Greene's Hawkweed Need?
Greene's Hawkweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Greene's Hawkweed?
Well-draining loamy soil with added organic matter. Good drainage is essential for Greene's Hawkweed to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Greene's 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 Greene's Hawkweed?
Greene's 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 Greene's Hawkweed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Greene's 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 Greene's Hawkweed?
Greene's 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
Greene's 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.
Greene's 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 greenei A.Gray, family Asteraceae (first published in Proc. Amer. Acad. Arts 19: 69. 1883) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Greene's 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.
- Photo: Bruce Marlin, CC BY-SA 2.5, 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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