Soft Western Rosinweed Plant Care
Calycadenia mollis A.Gray
Updated · Sources · How we source care data
Calycadenia mollis is a species of flowering plant in the family Asteraceae known by the common name soft western rosinweed. It is native to a section of central California, from Tuolumne County to northern Tulare County.
Every 7–10 days
Full sun to partial shade
50–85°F
30–60%
At a glance
How do you care for Soft Western Rosinweed?
Water Soft Western Rosinweed 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 50–85°F (10–29°C) and 30–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Soft Western Rosinweed Native To?
What Is the Soft Western Rosinweed?
Soft Western Rosinweed (Calycadenia mollis) belongs to the Asteraceae family within the Calycadenia genus. Soft Western Rosinweed is native to a section of central California, from Tuolumne County to northern Tulare County.
Soft Western Rosinweed displays a low-growing perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Soft Western Rosinweed produces small daisy-like flowers in various colors.
Leaf size: approximately 2 inches.
How Often Should You Water a Soft Western Rosinweed?
Calycadenia mollis 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 Soft Western Rosinweed Need?
Soft Western Rosinweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Soft Western Rosinweed Prefer?
Calycadenia mollis grows best at temperatures of 50–85°F. Soft Western Rosinweed prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Soft Western Rosinweed?
Well-draining sandy soil with some organic matter. Good drainage is essential for Soft Western Rosinweed to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Soft Western Rosinweed?
Feed Soft Western Rosinweed 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 Soft Western Rosinweed?
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 Soft Western Rosinweed?
Soft Western Rosinweed can be propagated through seeds. Similar propagation techniques also apply to fremont's rosin-weed plant care, which shares the same genus.
Is the Soft Western Rosinweed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Soft Western Rosinweed, 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 Soft Western Rosinweed?
Soft Western Rosinweed 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 Soft Western Rosinweed Need?
Soft Western Rosinweed grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Soft Western Rosinweed is native to a section of central California, from Tuolumne County to northern Tulare County. In cooler regions, grow Soft Western Rosinweed as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Soft Western Rosinweed 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 Calycadenia genus — compare its care with other Calycadenia species on PlantoScan.
Calycadenia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Soft Western Rosinweed thrives in bright light and direct sun — see other bright-light plants.
More Calycadenia Species
Other Calycadenia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Calycadenia mollis A.Gray, family Asteraceae (first published in Proc. Amer. Acad. Arts vii. (1868) 360) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Soft Western Rosinweed, 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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