Invasive and Pesky. The best way to describe the Emerald Ash Borer. This looming threat to Colorado trees is moving throughout the state slowly yet surely. In this episode of the Relentless Gardener, Linda interviews Lisa Mason an Extension Horticulture Agent from Arapahoe County, Colorado about the Emerald Ash Borers history, where they’re found, and homeowner options. Find out all you need to know about Emerald Ash Borers with Lisa Mason. Find your local extension office: https://extension.colostate.edu/field-offices/ Read more about Emerald Ash Borer: https://extension.colostate.edu/topic-areas/insects/emerald-ash-borer-resources/