Keeping out-of-zone perennials alive through the winter may be possible by creating a microclimate. The best way to do that is to grow these plants inraised garden bedsand ensure plants are insulated through the winter by growing them in cold frames or protecting them under thick layers ofmul...
I will say I’ve been surprised how well bulbs and tender perennials handle these unexpected cold snaps – and this is an area where I feel like it is pretty safe to plant to the new zones (and a little easier to push your zone). My garden has butterfly ginger, amaryllis, and gladio...
Gardening in Fairbanks Alaska, USDA hardiness zone 1, diary, hardy perennialsDM of AK
by your local nursery may be labeled perennials, but may act as annuals due to the cold and heat extremes. Most plant information tags at nurseries reference the USDA Hardiness Zones (cold). Some tags are now show- ing both the USDA Hardiness Zone and the Heat Zone, e.g. ...