Chaenactis thompsonii Plant Care
Chaenactis thompsonii Cronquist
Updated · Sources · How we source care data
Chaenactis thompsonii is a North American species of flowering plants in the aster family known by the common name Thompson's pincushion and native to Washington State.
Every 7–14 days
Full sun
50–85°F
20–60%
At a glance
How do you care for Chaenactis thompsonii?
Water Chaenactis thompsonii every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–85°F (10–29°C) and 20–60% humidity.
Where Is the Chaenactis thompsonii Native To?
What Is the Chaenactis thompsonii?
Chaenactis thompsonii (Chaenactis thompsonii) belongs to the Asteraceae family within the Chaenactis genus. Chaenactis thompsonii is native to Washington State.
Chaenactis thompsonii displays a low mat-forming perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Chaenactis thompsonii produces small daisy-like flowers in white, pink, or purple.
Leaf size: approximately 1 inches.
How Often Should You Water a Chaenactis thompsonii?
Chaenactis thompsonii requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Chaenactis thompsonii Need?
Chaenactis thompsonii thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Chaenactis thompsonii Prefer?
Chaenactis thompsonii grows best at temperatures of 50–85°F. Chaenactis thompsonii prefers humidity levels of 20–60%.
Temperature
50–85°F
Humidity
20–60%
What Soil Mix Works Best for a Chaenactis thompsonii?
Well-draining sandy soil with low fertility. Good drainage is essential for Chaenactis thompsonii to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Chaenactis thompsonii?
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 Chaenactis thompsonii?
Chaenactis thompsonii can be propagated through seeds. Similar propagation techniques also apply to artemisia-leaf dustymaiden plant care, which shares the same genus.
Is the Chaenactis thompsonii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Chaenactis thompsonii, 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 Chaenactis thompsonii?
Chaenactis thompsonii is susceptible to aphids, 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 Chaenactis thompsonii Need?
Chaenactis thompsonii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Chaenactis thompsonii is native to Washington State. In cooler regions, grow Chaenactis thompsonii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Chaenactis thompsonii 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 Chaenactis genus — compare its care with other Chaenactis species on PlantoScan.
Chaenactis is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Chaenactis thompsonii thrives in bright light and direct sun — see other bright-light plants.
More Chaenactis Species
Other Chaenactis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Chaenactis thompsonii Cronquist, family Asteraceae (first published in Vasc. Pl. Pacif. N.W. 5: 123, fig (1955)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Chaenactis thompsonii, 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 12a, 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.
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