by David Boswell | Jun 18, 2025 | Emerald Ash Borer, Ross Tree Handbook
The Emerald Ash Borer Is Here to Stay The Emerald Ash Borer Is In Denver The Emerald Ash Borer arrived in the City and County of Denver on June 17, 2025 and was confirmed by entomology experts from Colorado State University and Denver’s Office of the City Forester. It...
by David Boswell | Jun 4, 2025 | Emerald Ash Borer, Plant Health Care, Tree Insect Control, tree pruning
Request Service Trees shade and cool homes on a hot day. They add ambiance and increase the enjoyment of yards and neighborhoods. Trees create curb appeal, enhance home values, and make public-right-of-ways more beautiful. But are trees actually worth money? The...
by David Boswell | Sep 30, 2024 | Emerald Ash Borer, Plant Health Care, Tree Insect Control
In September 2024, the CSU Extension in Jefferson County confirmed its first case of Emerald Ash (EAB) in a small area in central Lakewood. If not treated, EAB will kill green and white Ash since they have no immunity. It will also kill Autumn Purple Ash. Mountain ash...
by John Downs | Jul 14, 2022 | Emerald Ash Borer, Pine Trees, Plant Health Care, Tree Health Care, Tree Insect Control
Taking care of trees makes good economic sense because they are valuable assets that increase the market value of homes. Trees shade homes on a hot day, increase curb appeal and make yards more enjoyable. But are trees worth money? The answer is yes. Tree...
by David Boswell | Apr 28, 2022 | Emerald Ash Borer, Pine Trees, Plant Health Care, Tree Health Care, Tree Insect Control, tree pruning
Ross Tree has noticed infestations of tree borers in the field this spring in both conifers and hardwoods. Our certified arborists believe that winter droughts in the Denver area create stress making trees easy targets for these insects. It is extremely dry in Denver...
by David Boswell | Apr 5, 2022 | Emerald Ash Borer, Pine Trees, Plant Health Care, Tree Health Care, tree pruning
Early Spring Tree Care Tips To Set Up Yard Trees for a Healthy Growing Season in Denver Spring officially begins in March in Denver, but we might be surprised by polar plunges and snowstorms in April. Trees go into full pitch, sending nutrients to their leaf and...