Under the Canopy

← Under the Canopy20 jul · 41 min

Episode 154: Why Spruce Trees Turn Rusty Red

Episode 154: Why Spruce Trees Turn Rusty Red20 jul41 min

Your spruce trees look fine one week, then the needles fade to rusty red and the worry sets in. We’ve been seeing the same thing around cottage country, so we called someone who lives in the details of Ontario forest health: David Dutkiewicz, an entomology technician who’s spent years identifying forest insects and supporting monitoring work across the province. Together, we sort out what those colour changes can mean and how to stop guessing when the stakes are your shoreline trees, your tra...