
Photo: DcrjsrCC BY 3.0via Wikimedia Commonsresized / cropped
California Coneflower Plant Care
Rudbeckia californica A.Gray
Updated · Sources · How we source care data
Rudbeckia californica is a species of flowering plant in the family Asteraceae, known by the common name California coneflower.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for California Coneflower?
Water California Coneflower 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.
What Is the California Coneflower?
California Coneflower (Rudbeckia californica) belongs to the Asteraceae family within the Rudbeckia genus. California Coneflower is also known as Rudbeckia californica.
California Coneflower displays a clump-forming perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. California Coneflower produces bright yellow or orange daisy-like flowers with dark centers.
Leaf size: approximately 6 inches.
How Often Should You Water a California Coneflower?
Rudbeckia californica 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 California Coneflower Need?
California Coneflower thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the California Coneflower Prefer?
Rudbeckia californica grows best at temperatures of 60–80°F. California Coneflower prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a California Coneflower?
Well-draining, fertile soil with a mix of compost and perlite. Good drainage is essential for California Coneflower to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a California Coneflower?
Feed California Coneflower 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 California Coneflower?
Divide and replant every 3-4 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 California Coneflower?
California Coneflower can be propagated through seeds, division of clumps. Similar propagation techniques also apply to orange coneflower plant care, which shares the same genus.
Is the California Coneflower Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list California Coneflower, 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 California Coneflower?
California Coneflower is susceptible to aphids, slugs, snails. 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 California Coneflower Need?
California Coneflower grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow California Coneflower as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
California Coneflower 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 Rudbeckia genus — compare its care with other Rudbeckia species on PlantoScan.
Rudbeckia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
California Coneflower thrives in bright light and direct sun — see other bright-light plants.
More Rudbeckia Species
Other Rudbeckia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Rudbeckia californica A.Gray, family Asteraceae (first published in Proc. Amer. Acad. Arts 7: 357. 1868) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list California Coneflower, 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: Dcrjsr, CC BY 3.0, 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.
