California buckwheat Plant Care
Eriogonum dasyanthemum Torr. & A.Gray
Updated · Sources · How we source care data
Eriogonum dasyanthemum is a species of wild buckwheat known by the common name chaparral buckwheat. This plant is endemic to California where it is limited to the Northern Coast Ranges, but it is quite common in its native range.
Every 7–14 days
Full sun
50–90°F
20–60%
At a glance
How do you care for California buckwheat?
Water California buckwheat every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–90°F (10–32°C) and 20–60% humidity.
Where Is the California buckwheat Native To?
What Is the California buckwheat?
California buckwheat (Eriogonum dasyanthemum) belongs to the Polygonaceae family within the Eriogonum genus. California buckwheat is native to California. California buckwheat is also known as Coast buckwheat.
California buckwheat displays a low mounding perennial growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. California buckwheat produces small clusters of tiny white, pink, or yellow flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a California buckwheat?
Eriogonum dasyanthemum requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the California buckwheat Need?
California buckwheat thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the California buckwheat Prefer?
Eriogonum dasyanthemum grows best at temperatures of 50–90°F. California buckwheat prefers humidity levels of 20–60%.
Temperature
50–90°F
Humidity
20–60%
What Soil Mix Works Best for a California buckwheat?
Well-draining sandy or gravelly soil with low fertility. Good drainage is essential for California buckwheat to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a California buckwheat?
Repot 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 buckwheat?
California buckwheat can be propagated through seeds, division. Similar propagation techniques also apply to nodding buckwheat plant care, which shares the same genus.
Is the California buckwheat Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list California buckwheat, 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 buckwheat?
California buckwheat 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 California buckwheat Need?
California buckwheat grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. California buckwheat is native to California. In cooler regions, grow California buckwheat as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
California buckwheat 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 Eriogonum genus — compare its care with other Eriogonum species on PlantoScan.
Eriogonum is part of the Polygonaceae plant family — browse all Polygonaceae genera and species.
California buckwheat thrives in bright light and direct sun — see other bright-light plants.
More Eriogonum Species
Other Eriogonum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Eriogonum dasyanthemum Torr. & A.Gray, family Polygonaceae (first published in Proc. Amer. Acad. Arts 8: 177 (1870)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list California buckwheat, 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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