(Login curlsihave) Hummingbirder 2012 Posted May 7, 2012 10:01 AM
My winters are so cold. I am wondering what I need to do, if anything, to protect perennials that I want to put into containers? These would be hardy perennials that overwinter in the ground here. I am thinking bee balm and cardnial flower.
USDA hardiness zone 4b
Heat zone 5
Sunset zone 43