Usda Plant Hardiness Zone Map (Classic Reprint)

Excerpt from Usda Plant Hardiness Zone Map<br><br>In using the map to select a suitable environment for a landscape plant today''s gardeners should keep in mind the following: Stress Factors. We became aware of additional stresses to plants during the 1970''s. Acid rain gaseous and particulate pollution security lighting and toxic wastes among many other stress factors have significantly increased the potential for unsatisfactory performance of landscape plants. We need to document the tolerances of plants to these factors.<br><br>New Plant Management Systems. New techniques of planting transplanting watering fertilizing and providing pest control measures have done much to increase the vigor of landscape plants. But used unwisely these same measures can reduce plant hardiness.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work preserving the original format whilst repairing imperfections present in the aged copy. In rare cases an imperfection in the original such as a blemish or missing page may be replicated in our edition. We do however repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.