Overwintering Potted Plants Can Cause Harm
URBANA — Perennial plants being overwintered in pots are subjected to much harsher conditions compared to those in the soil. Because of this, they can be damaged and killed. Fortunately, there are some steps to try to get these plants through the winter and enjoy them again come spring. Why Take Time to Protect Potted Perennial Plants? So, why take the time to protect potted perennial plants ? Most plants’ roots are far less cold-hardy than their above-ground parts. Usually, this isn’t an issue because the soil will insulate the roots and protect them from extreme cold temperatures. While potted plants may be in a growing media, the amount of media is small and will get much colder than soil in a landscape. Since potted plants’ roots are exposed to colder conditions than those in the ground, it’s a good idea to look for plants that will survive in a hardiness lower than the zone they will grow in. The general rule is to select plants that