The bigleaf maple, Acer macrophyllum, is the largest of all of the world’s maples. It has the largest leaf, seed, and trunk of any of the maple species. The largest is in Oregon with a trunk diameter of about twelve feet. This maple produces edible flowers each April through May. Scientists studying the moss mats of forest grown bigleaf maple trees have discovered adventitious root growth occurring in the upper canopy of trees, in order to take advantage of arboreal soils. Planted within twenty feet of a house facing south, this large maturing tree will protect the roof and siding from the blistering effects of summer sun, while allowing for winter solar heating. Periodic pruning will keep large dead material from collecting in the canopy and enhance the natural beauty of one of the northwest’s amazing native trees.
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