Biodiversity Heritage Library
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Subject "Frost resistance"
Freeze probabilities in Illinois / by Lothar A. Joos.
By: Joos, Lothar A.
Publication info: Urbana, Ill. :University of Illinois, Agricultural Experiment Station in cooperation with the U.S. Weather Bureau,1960.
Contributed by: University of Illinois Urbana Champaign
Subjects: Crops and climate Frost Frost resistance Illinois Plants
Winter-hardy roses from Agriculture Canada /
By: Ogilvie, Ian S. - Canada.
Publication info: Ottawa, Ont. :Communications Branch, Agriculture Canada,1993.
Contributed by: Agriculture and Agri-Food Canada (archive.org)
Subjects: Canada Frost resistance Roses Varieties