S E Europe to Asia Minor. Broadly columnar, deciduous. Trunk often continuous right through the crown. Bark flakes in plates. Leaves 10-20cm, more incised than P. x acerifolia. Popular avenue tree. Timber used for interior finishing and furniture. SEED grown.

P. deltoides x nigra 'Italica'. Broadly columnar, deciduous. Vigorous, popular in colder areas, quickly develops rough bark to deter cattle. Crown narrower on drier hill sites, used with Veronese in eastern regions. Cuttings 40cm, Rooted topped @ 1m.

Commercial release of a new hybrid 'Chiba' P. maximowiczii x fastigiate P. nigra (backcross). Developed by Allan Wilkinson, it has a narrow fastigiate form to replace the rust infected Lombardy poplar. 'Chiba' refers to Dr. Shigeru Chiba of the Japanese Oji Pulp & Paper Company which supplied the P. maximowiczii parent that is unpalatable to rabbits and possums. Leaves develop yellow autumn colour in May and remain rust free. Cuttings 40cm, Rooted topped @ 1m.

P. maximowiczii from Hokkaido x fastigiate P. nigra from Turkey (not Lombardy). Straight stemmed, narrow crown, light branching, good for pruning, disease & possum resistance. Frost & wind tolerant, but not for coastal sites. Doing well in inland Canterbury. Wood density 336 kg/m3. Male clone, Cuttings 40cm, Rooted topped @ 1m.