Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110816160626/http://www.usna.usda.gov:80/Hardzone/ushzmap.html
The 2003 US National Arboretum "Web Version" of the USDA Plant Hardiness Zone Map
USDA Miscellaneous Publication No. 1475, Issued January 1990
How to use this Hyperlinked Map
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** Or -- Click on your State abbreviation below to go to that region **
Listed by zone. -- Names of representative plants
listed under the coldest zones in which they normally succeed.
Listed alphabetically. -- Cold hardiness ratings
(zones) for selected woody plants.
USDA
Miscellaneous Publication No. 1475. Issued January 1990.
Authored
by Henry M. Cathey while Director, U.S. National Arboretum
Edited,
formatted and prepared for the US National Arboretum web site by Ramon
Jordan, March 1998 & Revised March 2001
U.S. National Arboretum, Agricultural Research Service, U.S. Department of Agriculture,
Washington, DC 20002
** Special thanks to Jody Shuart and Scott Bauer, ARS Information Staff
Note:
This publication is not copyrighted, and permission to reproduce all or
any part of it is not required.
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