The Anatomy of Trees: Growth Rings, Inner Layers, Roots and More

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)

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