The rhythms of seasonal development of representatives of Cycadopsida in conditions of NBS NASU greenhouse

In this article the results of observations on the rhythms of seasonal development of Cycadopsida representatives from the collection of M.M. Grishko National botanical garden NAS of Ukraine are represented. The information about climatic conditions in natural habitats for all studied species is given. It was found that periods of growth and development of experimental plants correspond with annual climate changes, and the growing season in greenhouse conditions lasts from March-April till August.