Oregon checkerbloom Plant Care
Sidalcea oregana (Nutt. ex Torr. & A.Gray) A.Gray
Updated · Sources · How we source care data
Sidalcea oregana is a species of flowering plant in the mallow family known by the common name Oregon checkerbloom.
Every 7–10 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Oregon checkerbloom?
Water Oregon checkerbloom every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Oregon checkerbloom?
Oregon checkerbloom (Sidalcea oregana) belongs to the Malvaceae family within the Sidalcea genus. Oregon checkerbloom is also known as Oregon false mallow.
Oregon checkerbloom displays an upright, clumping perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Oregon checkerbloom produces spikes of small, pink to purple flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Oregon checkerbloom?
Sidalcea oregana 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 Oregon checkerbloom Need?
Oregon checkerbloom thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Oregon checkerbloom Prefer?
Sidalcea oregana grows best at temperatures of 50–80°F. Oregon checkerbloom prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Oregon checkerbloom?
Rich, moist, well-draining soil with high organic matter content. Good drainage is essential for Oregon checkerbloom to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Oregon checkerbloom?
Feed Oregon checkerbloom 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 Oregon checkerbloom?
Divide and 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 Oregon checkerbloom?
Oregon checkerbloom can be propagated through seeds, division of root ball.
Is the Oregon checkerbloom Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Oregon checkerbloom, 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 Oregon checkerbloom?
Oregon checkerbloom is susceptible to aphids, spider mites, leafhoppers. 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 Oregon checkerbloom Need?
Oregon checkerbloom grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Oregon checkerbloom as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Oregon checkerbloom 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 Sidalcea genus — compare its care with other Sidalcea species on PlantoScan.
Sidalcea is part of the Malvaceae plant family — browse all Malvaceae genera and species.
Oregon checkerbloom 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: Sidalcea oregana (Nutt. ex Torr. & A.Gray) A.Gray, family Malvaceae (first published in Mem. Amer. Acad. Arts , n.s., 4: 20 (1849)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Oregon checkerbloom, 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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