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I went on a tour of a small local orchard today.
The owner also grows strawberries, but varieties that aren't hardy enough to survive the prairie winters. So they are all in grow bags sitting in a trough using a float valve for self watering. In late fall they all get hauled inside and stacked on shelves. Last year he said his ever bearing varieties produced until November by covering them at night.
He also has peach trees in large bags that get kept in a storage shed during the winter.
His entire vegetable garden was setup in bags, most of which were on waist high troughs for easy access. Except the large section of potatoes. Neat setup, low maintenance.