General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Plant Height: Variable, 6 inches to 3 feet or more
Plant Spread: 1 to 3 feet
Leaves: Evergreen
Other: Green upper surface, grayish-green, pubescent/wooly reverse.
Fruit: Edible to birds
Other: 3 sided achene.
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Groundcover
Dried Flower
Wildlife Attractant: Bees
Resistances: Drought tolerant
Miscellaneous: Tolerates poor soil

Common names
  • Sulfur Buckwheat
  • Sulfur Flower
  • Sulphur Flower
  • Sulphur-Flower Wild Buckwheat
  • Wild Buckwheat
Botanical names
  • Accepted: Eriogonum umbellatum
  • Synonym: Eriogonum umbellatum var. umbellatum

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Plant Events from our members
chelle On November 5, 2014 Transplanted
Rock garden, W end center tier, S edge.
HamiltonSquare On October 24, 2015 Obtained plant
UCD Arboretum purchase.
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