by John Downs | May 6, 2026 | Plant Health Care, Tree Biology, Tree Health Care, Tree Insect Control, tree pruning
Property owners, the Emerald Ash Borer (EAB) officially reached Denver in 2025, and the insect has killed hundreds of millions of Ash east of the Mississippi River. Colorado will be no different since this is a 100 percent mortality insect for untreated trees....
by John Downs | Apr 18, 2026 | Cottonwoods, Plant Health Care, Tree Biology, Tree Health Care, Tree Insect Control, tree pruning
Cottonwoods are native to Colorado’s Eastern Plains. They grow in wetter soils along rivers, lakes, and irrigation ditches in groves or bosques. Caring for Cottonwoods in urban landscapes requires significant space, consistent watering, and proactive pruning to manage...
by John Downs | Mar 18, 2026 | Plant Health Care, Tree Biology, Tree Health Care, Tree Insect Control, tree pruning
Complete 2026 Guide to Choosing the Right Arborist Finding a reliable Denver tree service should not feel like navigating a maze of Google results, conflicting reviews, and vague pricing. After working with Denver homeowners for almost five decades and maintaining...
by John Down | Feb 23, 2026 | Tree Biology
The most common living relative of the whale is the hippopotamus. Who would have thought that! Like whales, common yard trees growing in Denver have surprising botanical bedfellows or closest living relatives. Homeowners with a unique tree with interesting taxonomies,...
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