Category: Signs of Tree Damage / Infestation

Why Are My Aspen Trees Dying?


When it comes to natural beauty, nothing beats the majestic aspen. Who doesn’t love going up to the mountains to watch the aspens be ‘on fire’ in the fall? Their brilliant, yellow leaves contrast spectacularly with the cloudless, blue backdrop of a Colorado sky. They are truly one of Denver’s natural treasures. Sadly, many Denver residents are losing these treasures unexpectedly. Recently, we have received an alarming number of calls from folks who report their aspens are suddenly dying.

How to Protect Your Plants and Flowers From Japanese Beetles In Denver


Riverton, New Jersey, 1916.

Why does a random place back east and a time over a century ago matter? It’s the first known instance when Japanese beetles were confirmed to be present in the United States. Since that time this menace of a little bug made its way across the U.S. to the Mile High city of Denver. The Japanese beetle (popillia japonica) is arguably one of the most devastating threats to landscaping,

EAB Treatment and Prevention for Ash Trees in Denver


It’s happening, whether we want to admit it or not: the Emerald Ash Borer is starting to destroy ash trees across Boulder County.

The rest of the Denver metro area is next on its target list. What’s the Emerald Ash Borer, or EAB as it’s also known, and why is it a threat to trees? Our Fielding Tree team hears that question more frequently with this growing infestation.