Emerald Ash Borer: Where are we now?

By Brandy Brown | February 20, 2019

Emerald Ash Borer was discovered in the City of Boulder, by a Boulder City Forester in September of 2013. Since this discovery, the municipalities in Boulder County and all of Colorado have been diligently working to research and educate the public on how we can all assist in controlling the spread of the epidemic set […]

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Storm Damage and Emergency Tree Care

By Maria Olmsted | January 19, 2018

Between seasonal wind and sudden, heavy snow storms, emergency tree work sometimes feels like a full time job in Boulder County, Colorado. While it can be tempting to try to take care of a damaged limb or tree yourself, please keep in mind that trees, especially when damaged, may respond in unpredictable ways that can […]

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What’s Wrong With My Tree? Kermes Scale and Drippy Blight

By Maria Olmsted | December 27, 2017

There’s no denying that big, stately oak trees add character and beauty to any landscape. Unfortunately, an old pest has presented a new threat to red and pin oak trees in the Front Range. Kermes scale, a familiar parasitic insect that feeds on sap from the vascular tissues of oak trees, has recently been associated […]

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Winter Watering and Tree Care

By Maria Olmsted | December 22, 2017

Winter is definitely upon us here in the Front Range. Trees have dropped their leaves, we’ve had our first couple of snow falls, and night comes cold and early. It’s important to remember, however, that just because the trees have gone dormant, they’re still alive and require water to maintain biological processes. In Colorado, it’s […]

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What’s Wrong With My Tree- Magnesium Chloride Toxicity

By Maria Olmsted | October 3, 2017

Winter in Boulder, Colorado is a hard time to be a tree. An often overlooked cause of stress for trees in urban and suburban environments is magnesium chloride toxicity. In the Boulder area, magnesium chloride slurries are often used to deice roadways and sidewalks during inclement weather; unfortunately, a lot of that slurry ends up […]

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Ask the Arborist: Tree Planting in Boulder

By Brandy Brown | November 14, 2012

Q: Can I plant new trees in late fall to early winter, because this is a great time to find them on sale? A: It’s not advisable, but can be done. Since your irrigation is turned off and we never know how much snow we will get here in the foothills, it will be difficult […]

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