Hoover's Western Rosinweed Plant Care

Calycadenia hooveri G.D.Carr

Updated · Sources · How we source care data

Calycadenia hooveri is a California species of flowering plant in the family Asteraceae known by the common name Hoover's western rosinweed. It is endemic to a short portion of the western Sierra Nevada foothills, where it grows in rocky areas in the hills along from Amador County to Madera County.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–85°F

Humidity

30–60%

At a glance

How do you care for Hoover's Western Rosinweed?

Water Hoover's 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 Hoover's Western Rosinweed Native To?

Native range1 country

What Is the Hoover's Western Rosinweed?

Hoover's Western Rosinweed (Calycadenia hooveri) belongs to the Asteraceae family within the Calycadenia genus. Hoover's Western Rosinweed is native to a short portion of the western Sierra Nevada foothills.

Hoover's Western Rosinweed displays a low-growing perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Hoover's Western Rosinweed produces small daisy-like flowers in various colors.

Leaf size: approximately 2 inches.

How Often Should You Water a Hoover's Western Rosinweed?

Calycadenia hooveri 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 Hoover's Western Rosinweed Need?

Hoover's Western Rosinweed thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Hoover's Western Rosinweed Prefer?

Calycadenia hooveri grows best at temperatures of 50–85°F. Hoover's Western Rosinweed prefers humidity levels of 30–60%.

Temperature

50–85°F

Humidity

30–60%

What Soil Mix Works Best for a Hoover's Western Rosinweed?

Well-draining sandy soil with some organic matter. Good drainage is essential for Hoover's Western Rosinweed to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Hoover's Western Rosinweed?

Feed Hoover's 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 Hoover's 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 Hoover's Western Rosinweed?

Hoover's 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 Hoover's Western Rosinweed Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Hoover's 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 Hoover's Western Rosinweed?

Hoover's 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 Hoover's Western Rosinweed Need?

Hoover's Western Rosinweed grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hoover's Western Rosinweed is native to a short portion of the western Sierra Nevada foothills. In cooler regions, grow Hoover's Western Rosinweed as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Hoover's 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.

Hoover's 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 hooveri G.D.Carr, family Asteraceae (first published in Brittonia 27: 140 (1975)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Hoover's 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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