Knowing how to grow and take care of your canna lily is important. While canna lilies can overwinter right in the ground in USDA hardiness zones 7 to 10, they may die if left in freezing ...
and rhizomes (certain irises and canna lilies).” The term that categorizes all these bulb types together is geophyte, defined as any plant with an underground storage organ. Spring is not the only ...