Coastal California Poppy Plant Care
Perityle incana A.Gray
Updated · Sources · How we source care data
Nesothamnus incanus is a species of flowering plant in the family Asteraceae. It is endemic to Guadalupe Island, a Mexican Pacific island off the west coast of Baja California.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Coastal California Poppy?
Water Coastal California Poppy 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 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Coastal California Poppy Native To?
What Is the Coastal California Poppy?
Coastal California Poppy (Perityle incana) belongs to the Asteraceae family within the Perityle genus. Coastal California Poppy is native to Guadalupe Island, a Mexican Pacific island off the west coast of Baja California. Coastal California Poppy is also known as Coastal California Aster.
Coastal California Poppy displays a low mat-forming perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Coastal California Poppy produces small daisy-like flowers in shades of white, pink, or purple.
Leaf size: approximately 1 inches.
How Often Should You Water a Coastal California Poppy?
Perityle incana 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 Coastal California Poppy Need?
Coastal California Poppy thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Coastal California Poppy Prefer?
Perityle incana grows best at temperatures of 50–75°F. Coastal California Poppy prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Coastal California Poppy?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Coastal California Poppy to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Coastal California Poppy?
Feed Coastal California Poppy 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 Coastal California Poppy?
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 Coastal California Poppy?
Coastal California Poppy can be propagated through seeds, division of root ball.
Is the Coastal California Poppy Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Coastal California Poppy, 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 Coastal California Poppy?
Coastal California Poppy is susceptible to aphids, spider mites, whiteflies. 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 Coastal California Poppy Need?
Coastal California Poppy grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Coastal California Poppy is native to Guadalupe Island, a Mexican Pacific island off the west coast of Baja California. In cooler regions, grow Coastal California Poppy as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Coastal California Poppy 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 Perityle genus — compare its care with other Perityle species on PlantoScan.
Perityle is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Coastal California Poppy 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: Perityle incana A.Gray, family Asteraceae (first published in Proc. Amer. Acad. Arts 11: 78. 1876) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Coastal California Poppy, 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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