Spotted Buckwheat (Eriogonum maculatum)

Photo: Matt BergerCC BY 4.0via iNaturalistresized / cropped

Spotted Buckwheat Plant Care

Eriogonum maculatum A.Heller

Updated · Sources · How we source care data

This plant is easily identified by its unique silvery-green leaves that are covered in small, dark spots. Originating from North America, Eriogonum maculatum is highly sought after by plant collectors for its attractive foliage and ability to thrive in rocky, dry conditions.

🌱Herbs
Water

Every 7–14 days

Light

Full sun

Temp

50–90°F

Humidity

20–60%

At a glance

How do you care for Spotted Buckwheat?

Water Spotted 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 Spotted Buckwheat Native To?

Native range3 countries

What Is the Spotted Buckwheat?

Spotted Buckwheat (Eriogonum maculatum) belongs to the Polygonaceae family within the Eriogonum genus. Spotted Buckwheat is native to western North America from Washington to Baja California to Utah.

Spotted Buckwheat displays a low mounding perennial growth habit, reaching up to 1 ft tall with a spread of approximately 2 ft. Spotted Buckwheat produces small clusters of tiny white, pink, or yellow flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Spotted Buckwheat?

Eriogonum maculatum 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 Spotted Buckwheat Need?

Spotted Buckwheat thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Spotted Buckwheat Prefer?

Eriogonum maculatum grows best at temperatures of 50–90°F. Spotted Buckwheat prefers humidity levels of 20–60%.

Temperature

50–90°F

Humidity

20–60%

What Soil Mix Works Best for a Spotted Buckwheat?

Well-draining sandy or gravelly soil with low fertility. Good drainage is essential for Spotted Buckwheat to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Spotted Buckwheat?

Feed Spotted 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 Spotted 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 Spotted Buckwheat?

Spotted Buckwheat can be propagated through seeds, division. Similar propagation techniques also apply to nodding buckwheat plant care, which shares the same genus.

Is the Spotted Buckwheat Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Spotted 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 Spotted Buckwheat?

Spotted 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 Spotted Buckwheat Need?

Spotted Buckwheat grows outdoors in USDA Zone 6a – 10b. It survives winters down to planting zone 6a. Spotted Buckwheat is native to western North America from Washington to Baja California to Utah.

Hardiness Zone

Zone 6a – 10b

Keep exploring plants

Spotted 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.

Spotted 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 maculatum A.Heller, family Polygonaceae (first published in Muhlenbergia 2: 188 (1906)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Spotted 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: Matt Berger, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 6a – 10b, 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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