
Jeff Iles
Professor of horticulture at Iowa State University, longtime chair of the Horticulture Department (2001–2024) and frequent guest on Iowa Public Radio's Garden Variety.
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Oct 16, 2026
What wood you do?
7:40
7:52
8:10
8:19
C
7:31Charity NebbeHOST
Obviously, if you have a young tree, that tree is at risk from bunnies, deer, anything I'm leaving out of that list?

Jeff IlesGUEST
Well, we need to keep in mind that right below the bark is that vascular system, and if you damage it, uh, by chewing on it or rubbing your antlers on it, that can have long-term negative ramifications for that, for that plant.

Jeff IlesGUEST
So physically excluding, and I'm, I'm into Jim Pease's territory here, but, but, uh, I, I'm not a big fan of repellents, things you spray on trunks or hang from branches because you never know when they've lost their effectiveness.

Jeff IlesGUEST
I can see whatever I've used to physically exclude animals from my trees and shrubs, uh, and, and feel confident that it's, [laughs] that it's still working.

Jeff IlesGUEST
Uh, so if you've got a deer population in your neighborhood, then physically excluding the deer from, from that, from a plant or a group of plantings.
Help your trees feel oak-kay again
4:35

Caitlin TroutmanHOST
And then we are also, when we're looking at things that may affect a tree's ability to bounce back from a storm, what else are we looking at? What makes a tree more or less susceptible to storm damage?