COEUR D'ALENE, Idaho -- If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI Extension Forestry. On April 26, The UI Extension Forestry, ...

MINNEAPOLIS -- WCCO's report on a White Bear Lake woman's giant cottonwood tree – one of the biggest in the Twin Cities – struck a chord with our viewers. It also begged the question: What are the ...

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 ...

Giant dams built to tame the Colorado River have nearly wiped out native cottonwood trees along many riverbanks, disrupting local ecosystems. But new tiny dams, built to mimic ones that beavers make, ...

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them ...