Hanging buckwheat Plant Care
Eriogonum pendulum S.Watson
Updated · Sources · How we source care data
Eriogonum pendulum is a rare species of wild buckwheat known by the common name Waldo buckwheat. It is endemic to the Klamath Mountains of Josephine County, Oregon, and Del Norte County, California, where it is a member of the serpentine soils flora.
Every 7–14 days
Full sun
50–90°F
20–60%
At a glance
How do you care for Hanging buckwheat?
Water Hanging 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 Hanging buckwheat Native To?
What Is the Hanging buckwheat?
Hanging buckwheat (Eriogonum pendulum) belongs to the Polygonaceae family within the Eriogonum genus. Hanging buckwheat is native to the Klamath Mountains of Josephine County, Oregon, and Del Norte County, California.
Hanging buckwheat displays a low mounding perennial growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. Hanging buckwheat produces small clusters of tiny white, pink, or yellow flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Hanging buckwheat?
Eriogonum pendulum 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 Hanging buckwheat Need?
Hanging buckwheat thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Hanging buckwheat Prefer?
Eriogonum pendulum grows best at temperatures of 50–90°F. Hanging buckwheat prefers humidity levels of 20–60%.
Temperature
50–90°F
Humidity
20–60%
What Soil Mix Works Best for a Hanging buckwheat?
Well-draining sandy or gravelly soil with low fertility. Good drainage is essential for Hanging buckwheat to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Hanging 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 Hanging buckwheat?
Hanging buckwheat can be propagated through seeds, division. Similar propagation techniques also apply to nodding buckwheat plant care, which shares the same genus.
Is the Hanging buckwheat Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hanging 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 Hanging buckwheat?
Hanging 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 Hanging buckwheat Need?
Hanging buckwheat grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hanging buckwheat is native to the Klamath Mountains of Josephine County, Oregon, and Del Norte County, California. In cooler regions, grow Hanging buckwheat as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Hanging 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 (family Polygonaceae) — search all Eriogonum species in the plant lookup.
Hanging 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 pendulum S.Watson, family Polygonaceae (first published in Proc. Amer. Acad. Arts 23: 265 (1888)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hanging 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.
Identify Plants Like the
Hanging buckwheat Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species