Although sensationalistic poplar tree , Lombardy poplar tree and crossbreed poplars sound like they should be like , they are not . They are not even the same species . Hybrid poplars is really a condition that hold to quite a phone number of hybrid Populus clone . In fact , the Lombardy poplar tree is in reality a loanblend , although it is not ordinarily grouped with them . Yellow poplar , Liriodendron tulipifera , are not even in the same Populus genus as other poplars . It is actually part of the same kinsperson as magnolias . They are also know as tulip trees , tulip magnolias , tulip poplars and whitewoods .
Origins
The Lombardy poplar tree is a hybrid of the smuggled poplar tree ( Populus nigra ) from northern Italy . jaundiced poplar are native to the eastern United States . Hybrid poplar range of a function from all over , some being natural Cross that occurred within the United States , while others are world - made crosses .
Similarities
These three trees do not have much in vulgar besides their name . All three varieties like to be planted in full sunshine . They also are fast - grow and have barque that is grayish . In the fall , all three have leafage that turns yellow .
Size
The yellow poplar is the improbable ; it can grow 70 to 90 feet gamey . Lombardy and hybrid poplars tend to stay smaller but can still reach a stature of 60 foot . lily-livered poplars also have the widest spread , 40 feet , with hybrids a secretive second with a feast of 20 to 35 feet . Lombardy poplars are very narrow-minded and have only a 10 - pes spread .
Flowers and Fruit
The sensationalistic poplar produces orange , lily-livered or greenish tulip - shaped flowers in the leaping that turn in a retinal cone - shape fruit . The Lombardy poplar and poplar intercrossed produce red or ruby-red - brown catkin . The Lombardy poplar does not produce yield , but poplar loanblend do . They have light chocolate-brown seeds surround by " cotton wool . "
Site Requirements
Lombardy and xanthous poplar favour a moist , well - draining , prolific grime . Poplar hybrids choose a loamy soil . Lombardy poplars and some poplar hybrids are drought tolerant , but yellow poplar tree are not . Lombardy poplars are pH adaptable , while hybrid and yellow poplars prefer a grime with a slightly acidic pH.
Disease and Pest Resistance
Disease and pest resistance of hybrid poplar tree vary depending on the hybrid . For illustration , Assiniboine poplar ( Populus x Assiniboine ) and Imperial Poplar ( P. x euramericana Imperial ) are be intimate for being more disease resistant than other hybrids . It goes without aver that hybrid poplar tend to have less problems with disease and pests than xanthous and Lombardy poplars . Lombardy poplar are well - know for being extremely canker - prone . Meanwhile , yellow poplars can have problems with aphid , sooty mold , folio spot , leaf scorch , cankers , verticillium wilt disease and scales
