Photo: Steve MatsonCC BY 4.0via iNaturalistresized / cropped
Ovalleaf Buckwheat Plant Care
Eriogonum ovalifolium Nutt.
Updated · Sources · How we source care data
This plant's most distinctive visual feature is its tiny oval-shaped leaves that create a dense, compact appearance. Native to North America, Eriogonum ovalifolium is highly sought after by plant collectors for its ability to thrive in harsh rocky terrains and its charming pink flowers that attract pollinators.
Every 7–14 days
Full sun
50–90°F
20–60%
At a glance
How do you care for Ovalleaf Buckwheat?
Water Ovalleaf 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. Fertilize it every month during the growing season.
Where Is the Ovalleaf Buckwheat Native To?
What Is the Ovalleaf Buckwheat?
Ovalleaf Buckwheat (Eriogonum ovalifolium) belongs to the Polygonaceae family within the Eriogonum genus. Ovalleaf Buckwheat is native to western North America from California to Alberta. Ovalleaf Buckwheat is also known as Cushion Buckwheat, Eggleaf Buckwheat.
Ovalleaf Buckwheat displays a low mounding perennial growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. Ovalleaf Buckwheat produces small clusters of tiny white, pink, or yellow flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Ovalleaf Buckwheat?
Eriogonum ovalifolium 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 Ovalleaf Buckwheat Need?
Ovalleaf Buckwheat thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Ovalleaf Buckwheat Prefer?
Eriogonum ovalifolium grows best at temperatures of 50–90°F. Ovalleaf Buckwheat prefers humidity levels of 20–60%.
Temperature
50–90°F
Humidity
20–60%
What Soil Mix Works Best for a Ovalleaf Buckwheat?
Well-draining sandy or gravelly soil with low fertility. Good drainage is essential for Ovalleaf Buckwheat to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Ovalleaf Buckwheat?
Feed Ovalleaf Buckwheat every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Ovalleaf 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 Ovalleaf Buckwheat?
Ovalleaf Buckwheat can be propagated through seeds, division. Similar propagation techniques also apply to nodding buckwheat plant care, which shares the same genus.
Is the Ovalleaf Buckwheat Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Ovalleaf 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 Ovalleaf Buckwheat?
Ovalleaf 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 Ovalleaf Buckwheat Need?
Ovalleaf Buckwheat grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Ovalleaf Buckwheat is native to western North America from California to Alberta.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Ovalleaf 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.
Ovalleaf 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 ovalifolium Nutt., family Polygonaceae (first published in J. Acad. Nat. Sci. Philadelphia 7: 50 (1834)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Ovalleaf 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.
- Photo: Steve Matson, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 3a – 8b, estimated from the plant's typical growing conditions.
- 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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