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  Two Zones...Which one am I?

Member Message
Mountain-Sprite blog photos
Joined: 3/26/2009
Location: San Bernardino National Forest, California
Posts: 136
Posted: Mar/28/2009 8:47 PM PST

Hi everybody!
I'm new to the site, and have lots of questions; my first is what zone am I?
I went to the USDA site, and it tells me I'm in zone 7b, but I looked up my zone in the Sunset Garden Book, and it says I'm in zone 3b. Which am I? I can't be both.

I live near Big Bear, CA 92315
biyu_wolf_77 blog photos
Joined: 3/05/2008
Location: around
Posts: 1342
Posted: Apr/06/2009 8:04 AM PST

usda id trust more im zone 5 i think the 3 is by how theres stuff is set-up there cause a friend north is in zone like 2 i think
yardgranny6 blog photos
Joined: 7/05/2007
Location: Florence, SC
Posts: 3810
Moderator
Posted: Apr/16/2009 6:51 AM PST

The best info I can find is that CA has 3 different growing zones depending on your elevation I would think. zone 7 keeps coming up for the most part. Ask around at your local garden centers or county extension agency.
damethod blog photos
Joined: 5/04/2008
Location: Miami, FL
Posts: 564
Posted: Apr/16/2009 12:33 PM PST

I believe your book offers an alternative to the USDA hardiness zones. I can't remember where I read about it(think it was somewhere in this thread), nor can I remember the name of the map.. The alternative one is said to be more precise by some. I go by the USDA, but I will keep digging and see if I can repost the alternative.
damethod blog photos
Joined: 5/04/2008
Location: Miami, FL
Posts: 564
Posted: Apr/16/2009 12:39 PM PST

Found it...they are called 'sunset zones' Here is some info copied and pasted from: http://www.backyardgardener.com/zone/index.html

Sunset Zones versus USDA Zones

Gardeners in the western United States sometimes are confused when confronted with the 11 Hardiness Zones created by the USDA (United States Department of Agriculture), because they are used to a 24-zone climate system created 40 years ago by Sunset Magazine. The Sunset zone maps, which cover 13 Western states, are much more precise than the USDA's, since they factor in not only winter minimum temperatures, but also summer highs, lengths of growing seasons, humidity, and rainfall patterns to provide a more accurate picture of what will grow there.

If you live in the western U.S., you'll find that nurseries, garden centers, and other western gardeners usually refer to the Sunset climate zones rather than the USDA plant hardiness zones. In fact, the Sunset zones and maps are what are listed for each plant in Sunset's Western Garden Book and Western Garden CD-ROM, which are considered the standard gardening references in the West.

However, the USDA zones are still of importance to western gardeners, since the USDA zones are used in the rest of the country. When you order plants from catalogs or read general garden books, you need to know your USDA zone in order to be able to interpret references correctly. To determine your USDA zone, use the links above.
yardgranny6 blog photos
Joined: 7/05/2007
Location: Florence, SC
Posts: 3810
Moderator
Posted: Apr/16/2009 6:10 PM PST

Great search and information.
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