Most years, cottonwood trees produce relatively few seeds, but occasionally they’ll see a masting year, which brings a drastic increase in seed production, and with it, a drastic increase in fluff.

Mar. 28—CHEYENNE — Wyoming's state tree — the cottonwood — can be found lining the streets of its capital city and towering over older parks.

Trees are smarter than you think, and the evidence is found in their unique ways they disperse their seeds. Cottonwood trees release white tufts that float in the air – a dreamy sight until you ...

Giant cottonwood trees in Smith Grove near Hensler will be recognized as living witnesses to the Lewis and Clark expedition. The trees - towering 100 feet above the forest floor and more than 250 ...

Cottonwood trees disperse seeds via wind, using white, fluffy tufts. This typically lasts four weeks, from late May to late June. The trees are common in Michigan's Lower Peninsula, growing near ...

On the site of a former hat factory in Danbury, Conn., a stand of genetically altered cottonwood trees sucks mercury from the contaminated soil. Across the continent in California, researchers use ...

The "iconic and magical" cottonwood trees are the keystone species of the plant world and they're disappearing from Utah riverbanks. Scientists are trying to protect thembut budget freezes by ...

The eastern cottonwood tree (eastern poplar or populus deltoides) can grow from 70-100 feet tall, according to Michigan's Department of Natural Resources, and they prefer to grow in wetlands and ...