How are Trees Affected by Climate Change?
Play • 20 min

Dan Herms, vice president of research and development for the Davey Institute, talks about how climate change will affect your property, such as the trees you plan to plant, what pests you may start or stop seeing, and how hardiness zones are being affected across the country.

In this episode we cover:

  • When Dan realized something was changing (0:49)
  • Changes Dan has seen (2:30)
    • Hardiness zones (3:16)
    • Increased forest productivity (4:01)
  • Winners and losers (4:37)
  • Affects on pests (6:05)
  • Mitigating the effects of climate change (7:25)
  • Plant the same species or new ones? (8:51)
  • Think globally, but act locally (11:47)
  • iTree software (12:08)
  • Scientist's point of view (13:30)
  • How Dan started his job (16:38)

To find your local Davey office, check out our find a local office page to search by zip code.

To  learn more about your hardiness zone, check out our hardiness zone map Dan Herms created with the Arbor Day Foundation to show how hardiness zones will shift in the coming years: Hardiness Zone map.
To explore the iTree MyTree software, go to

Connect with Davey Tree on social media:
Twitter: @DaveyTree
Facebook: @DaveyTree
Instagram: @daveytree
YouTube: The Davey Tree Expert Company
LinkedIn: The Davey Tree Expert Company

Have topics you'd like us to cover on the podcast? Email us at We want to hear from you!

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