Dwarf Birch - world's smallest... mistake?

Leo in N E Illinois

The Professor
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Location
on the IL-WI border, a mile from ''da Lake''
USDA Zone
5b
Funny running into this. I've on the border of zone 3/4 -40 F winter low.. I can see lake superior off my deck. High winds off the lake. Tomorrow is supposed to be 75 F ! Also two nights in the next week are forecasted to be 32 for a night low. My collected silver birch about 2 weeks ago needs minimal protection. I love it. Don't love that I have Japanese maple leafing out along side my amur maples. I scratch my head about Temps though. I feel like like high elevation leads to higher uv. It was almost 60 F in Duluth, MN today. I have to use a shade cloth. My north northeast side of the house gets 6 hours of sun. 48 trees in my yard, ether too much shade or too much sun. Every one has different extremes

Your should compare notes with @crust - he lives in your area and is one of the better bonsai artists around. He could give you tips with how various species do in your area. Start a PM or a new thread on the topic of bonsai in Duluth.
 
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