Aug 28, 20080
Culinary Herbs for Short-Season Gardeners : Interpreting a Plant Hardiness Zone Map
Whether you are a novice or an experienced short-season gardener, consulting a plant hardiness zone map will help you to determine which perennial herbs are sufficiently hardy to survive winters in your area. The plant hardiness zone map for North America shown on page 6 is a modification of a widely used climate-zone map prepared by the US Department of Agriculture. This map, which is based on minimum ...
