by John Downs | Jun 18, 2026 | Deep Root Watering and Feeding, Plant Health Care, Tree Health Care
A 20-inch diameter ash tree needs about 200 gallons per watering using CSU’s rule of thumb: 10 gallons per inch of trunk diameter. During a hot, dry Denver summer, that usually means about 200 gallons every 1–2 weeks, adjusted for rainfall, soil, and tree stress. ...
by John Downs | Jun 3, 2026 | Plant Health Care, Tree Health Care, tree pruning
Denver’s heavy spring snowstorm three weeks ago left many homeowners dealing with broken branches, hanging limbs, and damaged crowns. Ross Tree did received many emergency calls that week. While emergency pruning was necessary to remove immediate hazards and make...
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 | Dec 31, 2025 | Plant Health Care, Tree Health Care, Tree Planting
In 1978, the owner of Ross Tree noticed that visible tree-health problems above ground are actually symptoms of what is happening below the soil surface. He would say, “The root of the problem is the roots.” Front Range soils are great for growing grass, not trees,...
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