price listed is for 10 seedlings. yellow poplar - mountain (linodendron tulipifera) - pollinator - one of the tallest trees in n.c. this tree has been known to attain heights over 100 feet. it is a fast growing tree good for timber production. the large flower on this tree is a good source of nectar for pollinators and is good bee forage. this tree does best on sites with deep soils and good moisture availability. it is found across the state..