Denver’s Polar Plunges The Denver area is known for its polar plunges that freeze damage trees. The plunges usually happen in the fall but also occur in late spring. The Denver area experienced plunges in October in both 2018 and 2019. It is sunny and warm; then...
Ips Engraver Beetles Prevention The Colorado Blue Spruce, Pica pungens, is a large tree found in yards and parks across the Denver metro area. They grow tall into a pyramid shape with stiff, horizontal branches forming a dense canopy. Some trees grow up to 100 feet...
Ross Tree likes to keep its customers informed about invasive tree insects. Last year, local media outlets featured stories about the Spotted Lanternfly. It is not in Colorado yet, but this insect is creating havoc in Pennsylvania, New York, Maryland, Delaware, and...
This Evergreen Tree Pest Update discusses the Tussock Moth and Pine Sawfly. These insects devastate evergreens in Colorado. Denver homeowners need to get informed about these tree pests. Homeowners who see clusters of larvae on their Pine, Spruce or Fir trees, click...
The Ash destroying Emerald Ash Borer (EAB) has found its way out of Boulder with confirmed sightings in Broomfield, Westminster, and now Berthoud. The quarantine was set up in 2013 in Boulder County after the EAB was found near the University of Colorado campus. The...
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