Polygonaceae
Eriogonum umbellatum var. modocense
Eriogonum umbellatum var. modocense var. modocense
Also known as Eriogonum modocense
Flowering Plants · Native Plants · Native · Buckwheat · Pollinator · Drought-Adapted · Great Basin · Perennial · Wildflower · Low Water · Rocky Soil · Eriogonum
Modoc sulfur buckwheat is a hardy native perennial suited to well-drained, gravelly or sandy soils across California, Idaho, Nevada, and Oregon. It requires very little care once established and benefits from minimal supplemental irrigation during dry summers. Its cheerful yellow flower clusters attract bees and butterflies, making it a wonderful addition to native and pollinator gardens.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently, allowing soil to dry between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- rocky
- Soil pH
- 6.5–8
- Temperature
- -25°F to 100°F
- Cycle
- Perennial
Hardiness
USDA 4b-10b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 24 in apart
- Growth rate
- Slow
- Root depth
- Deep
- Flowers
- Yellow
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- California, Idaho, Nevada, Oregon
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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