Retinal detachment is a very serious eye condition that happens when the retina separates from the tissue around it. Since the retina can't work properly under these conditions, you could permanently lose vision if the detached retina isn't repaired promptly.
Plant Hardiness. Cannas are reliably hardy as far north as Zone 7, which includes New Yorkâs Long Island, Virginia, the Delmarva peninsula, southern Tennessee, mid-state Missouri, southern Oklahoma and parts of the Texas panhandle, as well as patchy areas of the Sierra Nevadas and West Coast mountain ranges.
The U.S. Department of Agriculture Wednesday issued its new Plant Hardiness Zone Map, last updated in 1990. Syracuse and most of Central New York moved from zone 5a to zone 5b, which means winter is warmer than it used to be. Parts of Oswego and Auburn moved from zone 5b to the warmer 6a zone.