What are the obstacles for Populus Nigra? It, especially the pyramidalis (Italian) variety is considered quite Southern plant in Russia.

  • $\begingroup$ Hi Anixx. What research have you done yourself to try to answer this question? Please update indicating a bit of your own research and narrowing the question to ask for clarification about whatever it is you do or do not find. Thanks $\endgroup$ – theforestecologist Jan 14 at 18:42

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