Frost Tolerant Containers

Agastache 'Blue Fortune' with purple ornamental cabbage in A Garden For All by Kathy Diemer

Agastache ‘Blue Fortune’ with purple ornamental cabbage (photo by: Kathy Diemer)

I hate to drop the F-bomb so soon, but before Jack and Jill come down the hill to dump a pail of frost on your tender container annuals, you might want to prepare yourself.  While I agree that heavy covering or inside storage provides temporary  protection from Jack’s icy grip, ultimately you’ll be holding up the white flag and surrendering to their fate.  However, there is another option, which I will sum up in one word: perennials.  Don’t scoff yet, let me explain.  The Merriam-Webster description for perennial plants is: “Living for several years or for many years, existing or continuing in the same way for a long time.”  In other words, you have lots of choices for plants that can withstand Mr. Frost’s embrace, looking good until you’re ready to store your containers for the winter.  [Read more…]