Polygonaceae
Eriogonum umbellatum var. torreyanum
Eriogonum umbellatum var. torreyanum var. torreyanum
Also known as Eriogonum torreyanum
Flowering Plants · Native Plants · California Native · Buckwheat · Pollinator · Rock Garden · Drought Adapted · Perennial · Groundcover · Wildflower · Eriogonum · Xeriscape
Torrey's sulfur buckwheat is a low-maintenance California native perennial that thrives in well-drained, rocky or sandy soils with full sun to part shade. Water sparingly once established, as overwatering is the most common cause of decline. It makes an excellent drought-adapted ground cover or rock garden plant in western landscapes.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently; allow soil to dry completely between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–8
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 24 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- California
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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