Cold Hardiness of Grevillea in Western Oregon

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dc.contributor.authorBell, Neilen
dc.contributor.authorStoven, Heatheren
dc.contributor.authorOwen, James S. Jr.en
dc.contributor.authorAltland, James E.en
dc.contributor.departmentSchool of Plant and Environmental Sciencesen
dc.date.accessioned2021-04-06T14:27:33Zen
dc.date.available2021-04-06T14:27:33Zen
dc.date.issued2020-02en
dc.description.abstractA cold hardiness evaluation of 57 cultivars and species of grevillea (Grevillea) was conducted from 2011 to 2014 in Aurora, OR, to assess landscape suitability in the Pacific Northwest United States. Plants were established using irrigation in 2011, but they received no supplemental water, mineral nutrients, or pruning from 2012 to 2014. Plants were evaluated for injury in Mar. 2012 and Jan. 2014 after winter cold events with minimum temperatures of -4 and -13 degrees C, respectively. Damage, at least on some level, occurred on most selections following their first winter after planting in 2011. During Winter 2013, further damage to, or death of, 33 grevillea cultivars or species occurred. The grevillea that exhibited the least cold damage and the most promise for landscape use and further evaluation in the Pacific Northwest United States were 'Poorinda Elegance' hybrid grevillea, southern grevillea (G. australis), cultivars of juniper-leaf grevillea (G. juniperina) including Lava Cascade and Molonglo, and oval-leaf grevillea (G. miqueliana), all of which exhibited minor foliage damage.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesWe appreciate and acknowledge financial support from the Washington State Department of Agriculture Nursery License Surcharge program (Olympia, WA), as well as the donation of cutting material from the University of California, Santa Cruz, Arboretum, and the assistance of the staff at the Arboretum. Thanks are also due to Oregon State University Marion County Master Gardeners for assistance with plot establishment and data collection.en
dc.description.sponsorshipWashington State Department of Agriculture Nursery License Surcharge program (Olympia, WA)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.21273/HORTTECH04377-19en
dc.identifier.eissn1943-7714en
dc.identifier.issn1063-0198en
dc.identifier.issue1en
dc.identifier.urihttp://hdl.handle.net/10919/102955en
dc.identifier.volume30en
dc.language.isoenen
dc.rightsPublic Domainen
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/en
dc.subjectlandscapeen
dc.subjectornamental planten
dc.subjectPacific Northwesten
dc.subjectshruben
dc.subjectspider floweren
dc.subjectTemperatureen
dc.titleCold Hardiness of Grevillea in Western Oregonen
dc.title.serialHortTechnologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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