How EverGrow bags work
When the bag is planted in the ground, the roots begin to spread inside the bag.
Fine roots can penetrate the furry fabric, and grow through the outer fabric into the surrounding soil - however, as they thicken they get squeezed by this strong, outer material, reducing their vigour. The tree responds by laterally branching out more fine roots inside the bag. Once a tree or plant's roots fill the bag, it’s growth becomes restricted.
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