Here are 11 to consider. Lombardy poplar (Populus nigra) was once beloved as a quick-growing screen tree. Growing four to five feet a year — in an upright shape that fit many backyards — it ...
Conservation efforts are currently underway to restore its woodlands and protect the remaining trees. Black Poplar (Populus nigra subspecies betulifolia) The Black Poplar (Populus nigra subspecies ...