Eriophyllum lanatum (Pursh) Forbes var. lanatum

Oregon Sunshine/Wooly Sunflower

  Courtesy of Joy Creek Nursery                                                                                 Courtesy of Sheila Williams

Range: WA, OR, ID, MT and lower BC

Climate, elevation: Lowlands to mid elevations in the mountains.  Dry and sunny

Local occurrence (where, how common): Common

Habitat preferences: Dry meadows and rocky slopes

Plant strategy type/successional stage: Long-lived herbaceous perennial. Rapid colonizer. Produces seed the first year.

Associated species: Selaginella wallacei, Allium acuminatum, Grindelia integrifolia, Achillea, Juncus, Bromus, Erodium, Centaurea, Sisymbrium, Agropyron, Anthriscus, Salix, Poa, Medicago, Nepeta, Chrysopsis

May be collected as: Seeds. Collect whole fruiting heads when fruit is completely ripe from mid-summer to early fall.

Collection restrictions or guidelines: None: common and unlisted

Seed germination:  Good germination after cold storage and fall planting in cold frames

Seed life: Many years when well stored

Recommended seed storage conditions: Dry down to 5-8% moisture.  Store cold at 0-2°C.

Propagation recommendations:  Good germination from seed. 

Soil or medium requirements: Recommendation 1:1:1:2 sand:pumice:peat moss:fir bark

Installation form: Direct seeding into site may reduce seedling dormancy or loss.

Recommended planting density:  Dense and patchy

Care requirements after installed: Good drought tolerance, no after care with appropriate planting time.

Normal rate of growth or spread; lifespan: Rapidly occupies a restoration site.  Long-lived.

Sources cited:

-Archibald C. 2006. Seed production protocols for Anaphalis margaritacea, Eriophyllum lanatum, and Eriogonum umbellatum. Native Plants Journal 7(1):47–51.

-Burke Museum of Natural History and Culture, 2006, http://biology.burke.washington.edu/herbarium/imagecollection.php?Genus=Eriophyllum&Species=lanatum&Trinomial=lanatum

-Hunt, John W.; Boul , Rachelle D. ; Brown , Matthew R. ; Koenig , David A.; Leigh , Mark ; Pushnik, James C. 2006. Propagation protocol for production of container Eriophyllum lanatum plants (Potted nursery stock ); CSU, Chico Research Foundation, Chico, California. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 11 April 2006). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.

-Klinkenberg, Brian. (Editor) 2004. E-Flora BC: Electronic Atlas of the Plants of British Columbia [www.eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver.

-Kozloff, E., 2005. “Plants of Western Oregon, Washington and British Columbia”, Timber Press, Portland

-The Native Plant Network, http://www.nativeplantnetwork.org/

-USDA, PLANTS database. http://plants.usda.gov

-Vance, N., Neill, A., Morton, F., 2006. Native grass seeding and forb planting establishment. Native Plants Journal 7(1):35-46

Data compiled by: Sierra Smith 4/11/06