https://yardandgarden.extension.iastate.edu/how-to/overwintering-unplanted-trees-shrubs-and-perennials
Overwintering Unplanted Trees, Shrubs and Perennials | Yard and Garden
Learn how to protect container plants in winter. Discover methods like burying pots, mulching, and using unheated storage to keep roots safe from cold damage.
shrubs and perennialsoverwinteringtreesyardgarden