The vegetation reproduction results of species Chamaecyparis pisifera Siebold et Zucc. (sawara cypress) and Thuja occidentalis L. (West thuja) in the experimental greenhouse of Botanic garden-institution of FEB RAS in 2008-2010 using the soil substrate and vermiculite are given in the article. The high root-forming ability was characteristic for the cuttings that were cut in the early summer, the lowest - in late winter. The maximum percentage of rootage in different years was observed in different months. The optimal timing for the stem cutting harvesting of Chamaecyparis pisifera and Thuja occidentalis differ.
sawara cypress (Chamaecyparis pisifera), west thuja (Thuja occidentalis), vegetative reproduction, optimal timing
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