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Taxon  Report  
Urtica dioica  L.  ssp. holosericea  (Nutt.) Thorne
Giant creek nettle,   Hoary nettle,   Mountain nettle,   Stinging nettle
Urtica dioica ssp. holosericea is a perennial herb that is native to California, and also found elsewhere in western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Urtica dioica
Genus: Urtica
Family: Urticaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Severe skin irritation from touching the leaf or stem of this plant.

Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, wetland-riparian, many plant communities

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
PLANTSUrtica breweri
PLANTSUrtica dioica var. holosericea
PLANTSUrtica dioica var. occidentalis
PLANTSUrtica gracilis ssp. holosericea
PLANTSUrtica gracilis var. greenei
More …
Information about  Urtica dioica ssp. holosericea from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (URDIH)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 07/13/2025).