Hackberry is a medium-sized shade tree planted in most neighborhoods in Denver that is relatively disease-resistant. It is one of the few trees native to Colorado, so it is drought-tolerant and resilient to our unpredictable weather. Hackberries grow 50 feet tall,...
Tree Heat Stress Biology Since trees are not native to the Denver area, it makes sense that they might need some extra care to thrive here. Trees get stressed as we move to high 90-degree temperature days. On a hot summer day, humans sweat while trees transpire. High...
Time to Protect Spruce, Ponderosa, and Austrian Pine Trees Ips Beetles are native to Colorado and are now on the move in Denver. Their larvae damage spruce and pine trees, so the best time to treat is when the adult males become active in April and May each year. They...
Each spring is different in Denver. Ross Tree’s General Manager is already seeing aphids in February 2024. Last year, Denver had a wet spring, and an Elm Leave Beetle infestation occurred. In 2022, we had a dry early spring with little snow, but it rained...
Trees are among Earth’s most successful life forms in terms of longevity, size, and ecological dominance. They are around 370 million years old and found on all continents besides Antarctica. Lifeforms that successfully have ways to content with harm, rot, and...
Homeowners Need Tree Risk Assessment? An experienced ISA-certified arborist with sound technical knowledge and experience can provide tree risk assessments for problem trees to prevent injuries and property damage. Tree risk assessments should not assume every tree...
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