Woolly Chrysocoma Plant Care
Chrysocoma tomentosa Vell.
Updated · Sources · How we source care data
Vernonia noveboracensis, the New York ironweed or vein-leaf hawkweed, is a plant in the family Asteraceae. It is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia and to southern Ontario.
Every 7–10 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Woolly Chrysocoma?
Water Woolly Chrysocoma every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Woolly Chrysocoma Native To?
What Is the Woolly Chrysocoma?
Woolly Chrysocoma (Chrysocoma tomentosa) belongs to the Asteraceae family within the Chrysocoma genus. Woolly Chrysocoma is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia and to southern Ontario.
Woolly Chrysocoma displays a low mounding perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Woolly Chrysocoma produces small yellow daisy-like flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Woolly Chrysocoma?
Chrysocoma tomentosa requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Woolly Chrysocoma Need?
Woolly Chrysocoma thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Woolly Chrysocoma Prefer?
Chrysocoma tomentosa grows best at temperatures of 60–80°F. Woolly Chrysocoma prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Woolly Chrysocoma?
Well-draining sandy soil with added organic matter like compost. Good drainage is essential for Woolly Chrysocoma to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Woolly Chrysocoma?
Feed Woolly Chrysocoma every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Woolly Chrysocoma?
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 Woolly Chrysocoma?
Woolly Chrysocoma can be propagated through seeds, division of clumps. Similar propagation techniques also apply to species plantarum plant care, which shares the same genus.
Is the Woolly Chrysocoma Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Woolly Chrysocoma, 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 Woolly Chrysocoma?
Woolly Chrysocoma 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.
What USDA Hardiness Zone Does the Woolly Chrysocoma Need?
Woolly Chrysocoma grows outdoors in USDA Zone 5a – 9b. It survives winters down to planting zone 5a. Woolly Chrysocoma is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia and to southern Ontario.
Hardiness Zone
Zone 5a – 9b
Keep exploring plants
Woolly Chrysocoma 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 Chrysocoma genus — compare its care with other Chrysocoma species on PlantoScan.
Chrysocoma is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Woolly Chrysocoma 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: Chrysocoma tomentosa Vell., family Asteraceae (first published in Fl. Flumin. 332. 1829 [1825 publ. 7 Sep-28 Nov 1829] ; see also Fl. Flumin. Icon. 8: t. 38. 1831. [1827 publ. 29 Oct 1831]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Woolly Chrysocoma, 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.
- Hardiness zone: USDA Zone 5a – 9b, estimated from the plant's typical growing conditions.
- 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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