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Winterizing Fruit Trees and Shrubs in Racine, Wisconsin - Zone 5b - with some Non-Native Rootstocks

 
Will Harvill
Posts: 5
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For a context of what I am working on, please watch this first: Permaculture Project in Valley of Backyard - Hardiness Zone 5b During a kneejerk fruit-tree-purchasing excursion, I bought some fruit trees from a nursery based in Connecticut, where it is Zone 6a : -10 to -5 (F). I didn't account for the different rootstocks that might be necessary and am wondering if there is anything I can do to better acclimate the fruit trees for Wisconsin's winter. For the time being, I have wrapped all the fruit trees with burlap, but I imagine that will do little to protect the newly-planted rootstocks. I am hoping our increasingly warm winters and late to freeze falls are an indication that my hardiness zone might become warmer over the course of the next ten years. Also, I will be adding compost and topsoil in the spring on top of the straw before planting different perennials. Does anyone have any multi-functional perennials that would work well for the trees I purchased? I imagine I will need to get many nitrogen-fixing plants, so I am open to recommendations. Thank you in advance for any insight you can offer.
 
Ken W Wilson
Posts: 329
Location: Nevada, Mo 64772
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What kind of trees? I think most rootstocks can handle zone 5.
 
Will Harvill
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I purchased them all from this website: https://www.treepeony.com/collections/landscape-edibles  I have the following trees:


Apple, 'Liberty'  - 1 Tree

Apple, heirloom 'Ashmead's Kernel'  - 1 Tree

Apricot Hybrid, 'Tlor-Tisran'  - 1 Tree

Cornelian Cherry, 'Redstone'  - 1 Tree

Pawpaw, 'Lehman's Premium' seedling  - 4 Trees
 
Ken W Wilson
Posts: 329
Location: Nevada, Mo 64772
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I don't you think you have anything to worry about.  I'm pretty sure they are all cold hardy to zone 5.
 
Ken W Wilson
Posts: 329
Location: Nevada, Mo 64772
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The dwarf apples will need more care than standards. They can't take as much drought or wind. They don't seem to recover from diseases as well, but I havent seen any studies on that.
 
I agree. Here's the link: https://richsoil.com/wood-heat.jsp
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