Hartweg's Umbrellawort
Tauschia hartwegii
Care
full sun, part shade
1–3ft tall
Friendly
Oak woodlands and chaparral of the Sierra Nevada foothills and adjacent regions, 2000-5000 ft elevation.
Care Guide
Planting
Plant Hartweg's umbrellawort in full sun to part shade in a location that mimics its native Sierra Nevada and Central Coast Range habitat. While specific soil requirements aren't documented, this plant naturally grows in coniferous woodlands and chaparral, suggesting it likely prefers well-draining soil typical of those ecosystems. Space plants about 1 to 2 feet apart to accommodate mature height of 1 to 3 feet.
After Planting
Water regularly during the first growing season to establish the plant, then transition to less frequent watering as it matures, since this native perennial should adapt to drier conditions typical of its natural range. Expect the plant to flower and produce yellow umbel blooms during the growing season, with potential dormancy or die-back during winter months. Avoid overwatering, which is the most common mistake with native California plants - let the plant's natural drought tolerance work in your favor once established.
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Wildlife Supported
Insects
parasitic fungus on plant tissues; sporulation timing varies with moisture and temperature conditions
heteroecious rust fungus; infection cycles depend on host plant phenology and environmental conditions
specialized on Apiaceae family; spore dispersal peaks during high humidity periods
likely hybrid or intermediate form; infection follows spring and fall moisture patterns typical of California montane environments
subspecific form of P. lindrothii; ecological role consistent with parent species in rust disease dynamics