New winter-hardy roses, weigela, forsythia, and mock oranges
By: Agriculture Canada
Series: Publication (Canada. Agriculture Canada) -- 5224/E; Publication / Agriculture Canada -- 5224/E
Publisher: Communications Branch, Agriculture Canada
Published: 1986
Place of publication: Ottawa
Language: eng
Subjects: Roses; Flowering shrubs; Arbustes à fleurs
Notes: Issued also in French under title: Nouveaux cultivars de rosiers, diervillées, forsythies et seringats, résistants au froid.