All Things Gardening forum: New hardiness zone map

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Name: Karen
Cincinnati, Oh (Zone 6a)
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kqcrna
Jan 26, 2012 6:45 AM CST
Have you seen the new USDA hardiness zone map? It's pretty neat, moving me from 6a to 6b. It's hard to see subtle changes until you use the interactive feature and search by zip code.

http://planthardiness.ars.usda.gov/PHZMWeb/

Karen
Name: Carole
Clarksville, TN (Zone 6b)
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SongofJoy
Jan 26, 2012 7:18 AM CST
Yes, it's definitely time.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Jo Ann Gentle
Pittsford NY (Zone 6a)
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ge1836
Jan 26, 2012 7:49 AM CST
I stayed the same
Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
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dave
Jan 26, 2012 8:04 AM CST

Garden.org Admin

This is a lot more detailed! I wish the data set was freely downloadable. It's extremely expensive to buy the whole thing.

But at least the website has lots of really nice interactive features. You can zoom into your own neighborhood, even.

I moved from zone 8a to 8b.
Name: Carole
Clarksville, TN (Zone 6b)
Cherish today
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
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SongofJoy
Jan 26, 2012 8:06 AM CST
I moved from zone 6b to zone 7a.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Alan
Chandler, AZ; 85225 (Zone 9b)
Sunset Zone 13
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GardenGuyAZ
Jan 26, 2012 8:21 AM CST
I am still in zone 9b. I liked being able to enter my zip code and get the exact zone. I still prefer the sunset zones and descriptions over USDA.

























[Last edited by GardenGuyAZ - Jan 26, 2012 8:22 AM (+)]
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Name: Karen
Cincinnati, Oh (Zone 6a)
Forum moderator I was one of the first 300 contributors to the plant database! Cut Flowers Winter Sowing Charter ATP Member Seed Starter
Echinacea Plant and/or Seed Trader Region: Ohio Region: United States of America Butterflies Hummingbirder
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kqcrna
Jan 26, 2012 8:22 AM CST
It really is a nice map. But I think in some cases, certainly mine anyway, it's really necessary to use the interactive feature to fine-tune it to your own area.

Try it if you haven't!

Karen
Name: Carole
Clarksville, TN (Zone 6b)
Cherish today
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
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SongofJoy
Jan 26, 2012 8:24 AM CST
I always used the Sunset zones when we lived out West. I still have my Sunset Western Garden Book. I think I have about half of it memorized so can't give it up.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Alan
Chandler, AZ; 85225 (Zone 9b)
Sunset Zone 13
Charter ATP Member Region: Southwest Gardening Organic Gardener Native Plants and Wildflowers Cottage Gardener I was one of the first 300 contributors to the plant database!
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GardenGuyAZ
Jan 26, 2012 8:26 AM CST
Yes, when I started gardening here, the Sunset Western Garden Book became my gardening bible. Could always count on it to tell me what plants really grow in this desert climate. Unlike the folks at almost any nursery.

























Name: Carole
Clarksville, TN (Zone 6b)
Cherish today
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
Garden Ideas: Master Level Celebrating Gardening: 2015 Cat Lover Avid Green Pages Reviewer Lover of wildlife (Raccoon badge) Birds
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SongofJoy
Jan 26, 2012 8:32 AM CST
Agreed.

The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
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Horntoad
Jan 26, 2012 11:15 AM CST
I'm still in the same zone but more so. I was near the line between 9a and 8b. The line was only about 3 miles north of me now it's about 40.
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Seattle WA. Zone 7
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Sherri
Jan 26, 2012 12:13 PM CST
Hah! 8b.
I've been living the life of a 7a gardener!
Thanks for the tip!
central Illinois
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jmorth
Jan 26, 2012 12:14 PM CST
It's good the USDA is updating to reflect reality. I moved a half zone warmer Global warming?
Nothing that's been done can ever be changed.
Name: Gone Tropical
Orlando, Florida (Zone 9b)
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GoneTropical
Jan 26, 2012 12:18 PM CST
me with my zone envy, I am still at 9b Glare I so want to be zone 11 Rolling on the floor laughing
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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
Charter ATP Member Region: Texas Master Gardener: Texas Permaculture Raises cows I was one of the first 300 contributors to the plant database!
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dave
Jan 26, 2012 12:40 PM CST

Garden.org Admin

jmorth said:I moved a half zone warmer Global warming?


Or alternatively, the information used for compiling these zones is more accurate now than it used to be.
Name: Melissa E. Keyes
St. Croix, U.S. Virgin Islands
Zone 11+
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coconut
Jan 26, 2012 1:01 PM CST
Hum, I'm in 13b.
.
Thumb of 2012-01-26/coconut/b15de5
Name: Julia
Upstate NY (Zone 6a)
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JuliaNY
Jan 26, 2012 2:28 PM CST
I always knew I was more in the zone 6 range than 5 and now the chart shows it correctly. :biggrin:
Julia
Upstate NY
Zone 6
Name: Fuz Sanderson
Apex, NC (Zone 7b)
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Fuz
Jan 27, 2012 9:14 AM CST
I see that the map is based on average annual extreme minimum temperature. I wish there was an update that gave information about average first/last frost. We've certainly chaged from what it used to be. The challenge is increasing variability in extremes.
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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
Charter ATP Member Region: Texas Master Gardener: Texas Permaculture Raises cows I was one of the first 300 contributors to the plant database!
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dave
Jan 27, 2012 9:25 AM CST

Garden.org Admin

The National Climatic Data Center tracks freeze/frost dates for the entire United States and releaed sometime ago the complete data from 1970 through 2000. That data is freely available but is in a computer readable format.

A long time ago I wrote software to read it, parse the information and present to the user their own local frost dates information. I should go back to the NOAA site and see if I can find that data again, maybe I can make this a feature for ATP.

Ahh, here it is: http://cdo.ncdc.noaa.gov/cgi-bin/climatenormals/climatenorma...

The raw data is this: http://cdo.ncdc.noaa.gov/climatenormals/clim20supp1/9712_frz...

Raleigh Durham airport is:

90% chance of a frost before March 25th.
50% chance before April 10th.
10% change around April 25th.

For last dates, RDU is:

90% chance of a frost by Nov 10th.
50% chance by Oct 28.
10% change by Oct 14.
Name: Bob
Vernon N.J. (Zone 6a)
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NJBob
Jan 27, 2012 10:43 AM CST
I am further into zone 6a. I will still get plants rated for zone 5 , zone 6 plants have always been iffy for me.

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