winter hardiness

Winter hardiness of representatives of Hydrangea L. genus Botanical garten-institute of Ufa

The results of many years observations on winter hardiness of 19 introduced species and cultivars of Hydrangea L. in collection of Botanical Garden - Institute are presented in the paper. It is determined that 14 taxons are characterized by high winter hardiness and may be successfully used in landscaping under the conditions of Bashkir Cis-Urals (Ufa).

Winter-hardy varieties of roses of hybrid tea group

The paper presents the results of several years of observation meant to identify the most resistant winter-hardy varieties of roses of various garden groups for successful cultivation in Saratov.