Photo: Bonnie Heidel/USGov-InteriorPublic domainvia Wikimedia Commons
Yermo xanthocephalus Plant Care
Yermo xanthocephalus Dorn
Updated · Sources · How we source care data
Yermo xanthocephalus commonly known as the desert yellowhead is an American flowering plant endemic to southern Wyoming. It is the only member of the genus Yermo and was first described in 1991.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Yermo xanthocephalus?
Water Yermo xanthocephalus 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 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Yermo xanthocephalus Native To?
What Is the Yermo xanthocephalus?
Yermo xanthocephalus (Yermo xanthocephalus) belongs to the Asteraceae family within the Yermo genus. Yermo xanthocephalus is native to southern Wyoming.
Yermo xanthocephalus displays a compact, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Yermo xanthocephalus produces small daisy-like flowers in various colors.
Leaf size: approximately 3 inches.
How Often Should You Water a Yermo xanthocephalus?
Yermo xanthocephalus 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 Yermo xanthocephalus Need?
Yermo xanthocephalus thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Yermo xanthocephalus Prefer?
Yermo xanthocephalus grows best at temperatures of 60–80°F. Yermo xanthocephalus prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Yermo xanthocephalus?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Yermo xanthocephalus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Yermo xanthocephalus?
Feed Yermo xanthocephalus 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 Yermo xanthocephalus?
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 Yermo xanthocephalus?
Yermo xanthocephalus can be propagated through seeds, division of offsets.
Is the Yermo xanthocephalus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Yermo xanthocephalus, 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 Yermo xanthocephalus?
Yermo xanthocephalus is susceptible to aphids, whiteflies, spider mites. 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 Yermo xanthocephalus Need?
Yermo xanthocephalus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Yermo xanthocephalus is native to southern Wyoming. In cooler regions, grow Yermo xanthocephalus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Yermo xanthocephalus 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 Yermo genus — compare its care with other Yermo species on PlantoScan.
Yermo is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Yermo xanthocephalus 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: Yermo xanthocephalus Dorn, family Asteraceae (first published in Madroño 38: 199 (fig. 1) (1991)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Yermo xanthocephalus, 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: Bonnie Heidel/USGov-Interior, Public domain, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- 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
Yermo xanthocephalus 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