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Sulphurflower Buckwheat

Eriogonum umbellatum

Sulfurflower Buckwheat lives up to its name, producing celebratory plumes of bright yellow flower clusters that bloom from late spring to summer. These blooms later turn a coppery-orange, extending their ornamental appeal. Growing up to 1.5 feet in height and spread, it thrives in full sun and well-drained soil, offering an excellent nectar source for bees and butterflies while adding texture and vibrant color to rock gardens, borders, or xeriscapes.

Details

Height6” - 12”
Spread24"
Bloom SeasonMay – October
Soil Types
sandSand
gravelGravel
Soil Moisture
dryDry
Sun Exposure
fullSunFull Sun

Range Map

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Ecological Benefits

Maintenance Tips

  • Drought-tolerant once established; water sparingly, particularly in sandy soils.
  • Trim back flower stalks after blooming to tidy the plant and promote healthy foliage.
  • Prefers well-drained, sandy, or rocky soils; avoid overly moist conditions.

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