Get the lowdown on the poplar and find out why it should not be pruned in the winter. Aspen and cottonwood are common varieties of this tree.

Get a scientific description of the poplar tree, find out how they grow, and view diagrams of balsam poplar. Includes links to related trees.

Purchase a young tree seeded from the Sgt. Alvin York memorial tulip poplar and honor the man who made the Germans surrender at Argonne in WWI.

Provides a brief overview of this species of trees and specifically mentions two types. See the links to related sources.