Talking Trees with Davey Tree

Author: The Davey Tree Expert Company

Your trees and landscapes require year-round care, and The Davey Tree Expert Company is here to help provide you with expert advice. Join our professional Davey arborists and gardening-expert host Doug Oster to learn all about caring for your properties. We'll talk about introduced pests, seasonal tree care, tree diseases, arborists' favorite trees, how to help your trees thrive and everything in between. Tune in every Thursday because here at the Talking Trees Podcast, we know trees are the answer. 
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Language: en-us

Genres: Home & Garden, Leisure

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The Anatomy of Trees: Growth Rings, Inner Layers, Roots and More
Episode 8
Thursday, 19 February, 2026

Chrissy Balk, plant pathologist and technical advisor at the Davey Institute, talks about the intricate and fascinating anatomy of trees, including the function of each internal trunk layer, how root systems work, how water moves within a tree and the structure and role of the canopy.In this episode we cover: Chrissy's experience teaching the anatomy of trees (1:00)Heartwood layer (2:25)Growth rings and tree size (3:27)Cambium layer (6:04)Do the inner layers of a tree depend on its species? (6:50)Bark and order of inner layers (7:49)Inner water distribution (8:41)Dawn redwoods (9:45)Root systems (10:30)Are there different kinds of roots? (15:47)Tree canopies (16:28)Have a certified arborist evaluate your trees (18:40)Chrissy's love of dahlias (20:00)To find your local Davey office, check out our find a local office page to search by zip code.To learn more about the Davey Institute, visit The Davey Institute | Davey TreeConnect with Davey Tree on social media:Twitter: @DaveyTreeFacebook: @DaveyTreeInstagram: @daveytreeYouTube: The Davey Tree Expert CompanyLinkedIn: The Davey Tree Expert Company Connect with Doug Oster at www.dougoster.com. Have topics you'd like us to cover on the podcast? Email us at podcasts@davey.com. We want to hear from you!Click here to send Talking Trees Fan Mail!