For several years, authors of the present paper have been observing specimens of cypresses
of the genus Cupressus planted in Szczecin and its vicinity and within the area of the agglomeration of
Gdańsk, Gdynia and Sopot as well as in some botanical gardens and arboreta. The work is a collection
of materials from long-term observations and a moderately complete study on cypresses grown in the
northern and central part of Poland. In this respect, the present publication fills a gap in dendrological
knowledge in our country. The authors have analyzed 6 taxa in total, assessing the possibility of their
cultivation in Poland. Also species cultivated in Western Europe and other parts of the world are presented,
as a reference to conditions and species grown in Poland. Most species presented in the paper had not been
grown in Poland until recently, with the first specimens planted in the 1970-ties. Many of the described
species produce flowers and cones and tolerate the Polish climatic conditions well; even temperature
drop below –26ºC (winter 2005/2006) did not induce serious injuries and a decrease in their vitality. The
species reported in this article as cultivated outdoors in Poland include Cupressus arizonica, Cupressus
glabra (most commonly; both represented also by cultivars), Cupressus bakeri, Cupressus semprevirens,
Cupressus stephensonii, Cupressus montana. Authors assume that the first three species can be successfully
cultivated in Polish climatic conditions especially in places with suitably warm microclimate. The latter
ones are represented only by single specimens growing in specific locality (very close to the open sea) so
their hardiness have to be further investigated.
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