The photo is a 20 plus yr old Norland that has been box grown. It’s allowed to root into an annual mix of compost set in a hollow in the ground, I move it outside after bloom to avoid spring frost. Anchoring the tree to a post or fence to prevent wind throw is a good idea. Drip irrigation is nearly a must. A wider box is needed now for this tree…presently the box is about14x20 inside and 18 in deep. The new roots in the compost are cut off in the fall at leaf drop when the tree is returned to winter storage.
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