Just Be careful: Decide on a variety that will survive no less than two zones colder than where you live, mainly because planters will freeze faster than the ground. Diode-like threshold switching and higher on/off ratio characteristics through the use of an Al/Ag/Al2O3/TiN conductive bridge resistive random entry Reminiscences (CBRAM) http://sethcyupk.yomoblog.com/1185172/everything-about-outdoor-gear