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USDA Unveils New Plant Hardiness Zone Map

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USDA Unveils New Plant Hardiness Zone Map

Post  BrotherNorm on 1/26/2012, 8:58 am

FYI all...

USDA Unveils New Plant Hardiness Zone Map


WASHINGTON, Jan. 25, 2012--The U.S. Department of Agriculture (USDA)
today released the new version of its Plant Hardiness Zone Map (PHZM),
updating a useful tool for gardeners and researchers for the first time
since 1990 with greater accuracy and detail. The new map—jointly
developed by USDA's Agricultural Research Service (ARS) and Oregon State
University's (OSU) PRISM Climate Group—is available online at www.planthardiness.ars.usda.gov. ARS is the chief intramural scientific research agency of USDA.




For the first time, the new map offers a Geographic Information System
(GIS)-based interactive format and is specifically designed to be
Internet-friendly. The map website also incorporates a "find your zone
by ZIP code" function. Static images of national, regional and state
maps have also been included to ensure the map is readily accessible to
those who lack broadband Internet access.

Link to the complete article: HERE







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plant hardiness zones

Post  james lujack on 1/26/2012, 3:48 pm

Very Happy YEAH! We made it to 7a!!!!!!!!! smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles smiles happy turtle happy turtle happy turtle happy turtle happy turtle happy turtle happy turtle happy turtle happy turtle happy turtle

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  littlesapphire on 1/26/2012, 4:50 pm

Hey, cool! Thanks for the news. I've been updated from 5a to 5b!

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Goosegirl on 1/27/2012, 3:22 am

@littlesapphire wrote:Hey, cool! Thanks for the news. I've been updated from 5a to 5b!

I've been updated too! From 4A to 4B!

GG

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  donnainzone5 on 1/27/2012, 10:05 am

Hmmm....

From 10a to 10b. I, and many other area residents, have noticed that recent winters have been COLDER than usual. Not to mention the summers!


Last edited by donnainzone10 on 1/27/2012, 10:05 am; edited 1 time in total (Reason for editing : corrected typo)

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  newstart on 1/27/2012, 10:31 am

Ok I am 9a .. What does this really mean?? lol

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  camprn on 1/27/2012, 10:40 am

@newstart wrote:Ok I am 9a .. What does this really mean?? lol

Hey, the hardiness zones are useful in planting things like shrubs and trees and other plants that overwinter. You can read about it here.

But more importantly to gardeners are the Growing Degree Days, you can read about that and other garden/weather related information at the link below.
http://squarefoot.creatingforum.com/t5433-us-last-frost-date-and-other-related-handy-links

sunny

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http://squarefoot.creatingforum.com/t3574-the-end-of-july-7-weeks-until-frost

There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance. ~ Henry David Thoreau

http://squarefoot.creatingforum.com/t1306-other-gardening-books

Outlander is outstanding!


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Re: USDA Unveils New Plant Hardiness Zone Map

Post  1airdoc on 1/27/2012, 12:37 pm

Wow. We moved from 6b to 7a!

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  boffer on 1/27/2012, 1:00 pm

@newstart wrote:Ok I am 9a .. What does this really mean?? lol
I'm glad you asked that question! *starts ducking tomatoes* Very Happy You can go your entire life successfully growing vegetables and not even have a clue what a USDA zone is. USDA zones are about average winter time low temperatures. That's it.

The zones provide data for folks planting ornamental plants so they know how hardy a plant is, and if it could survive the winter temperatures where it was planted. Veggie gardeners don't do much winter gardening. The exception is biannual/perennial veggies, but there aren't many of them. Ornamentals can run hundreds of dollars, so one would want good odds of survival before planting. Veggies/seeds are cheap to grow; if we experiment trying to over-winter them, and they die, it's not a big financial loss.

Example of USDA zone irrelevance to veggie gardening:

Furbalsmom is on Oregon's coast, and her zone was 8B/9A (it's probably 9A or B with the update). She doesn't get enough hot weather in the summer to grow corn, tomatoes, peppers, or eggplants without a lot of fooling around with heated beds and greenhouses.

Ha-v-v is in southern Mississippi, in the same zone as Furbalsmom, and she has to be careful what she grows in summer because it gets too hot.

Same zones; totally different summer weather every year.

Camprn is right: GDDs will tell you about summer weather.

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  littlesapphire on 1/27/2012, 1:04 pm

Boffer, that was a really useful example of how useless zones are to veggie gardeners, lol. Thanks for the tip!

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Furbalsmom on 1/27/2012, 2:14 pm

The only reason I even consider the USDA Hardiness Zones in SFG is if I am planning for perennials (that will overwinter in the garden) such as Artichoke, Asparagus and Strawberries, because some varieties are more cold weather tolerant than others.

Otherwise, as Boffer says, trying to compare spring and summer gardening by zone is not helpful.

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  madnicmom on 1/27/2012, 2:51 pm

Wow, I went from 6a to 6a! GOTCHA! No change for me but 6b is knocking on my door.

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  squaredeal on 1/28/2012, 12:51 pm

Here in Indy we went from 5b to a 6a. We're so excited here that we're planning a big party all this coming week and well into the weekend...

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Noie on 1/28/2012, 2:45 pm

Still 8b here in the Willamette Valley. Guess that means I won't have to go tell my trees they're doomed. Laughing

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Furbalsmom on 1/28/2012, 3:57 pm





Shocked wouldn't that have been horrible, Noie?

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Noie on 1/28/2012, 4:49 pm

It really would have been since several of them just finally started fruiting!

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Re: USDA Unveils New Plant Hardiness Zone Map

Post  Wolfbane on 1/30/2012, 11:28 am

Thank you for posting that.
I live in the 'am I 8a or 8b?' area in north central Texas. Now I have an answer.
Thanks
WB

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Re: USDA Unveils New Plant Hardiness Zone Map

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