Author Topic: new USDA Zones due to warming trend  (Read 15127 times)

GwenninPR

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FlyingFoxFruits

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Re: new USDA Zones due to warming trend
« Reply #1 on: January 25, 2012, 01:20:22 PM »
Just saw this: http://planthardiness.ars.usda.gov/PHZMweb/default.aspx

thanks! now I need to change my profile! i'm in zone 9b i guess...what's the zone map from 1955 look like??? lol ;)
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HMHausman

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Re: new USDA Zones due to warming trend
« Reply #2 on: January 25, 2012, 01:22:27 PM »
Thanks Gwenn.  I'm still in western 10B.  I am interested to see if other members have any change to their zone.

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NewGen

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Re: new USDA Zones due to warming trend
« Reply #3 on: January 25, 2012, 01:34:22 PM »
Interesting, I changed to 10a from 9.
Thanks for the information.

mangomandan

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Re: new USDA Zones due to warming trend
« Reply #4 on: January 25, 2012, 01:39:28 PM »
I see that the map is based on data through 2005. My zone 9b place in Highlands County, Florida has had quite a few nights down to about 20 degrees in the last 3-4 winters.

I've heard that even modest overall climate change can cause extremes of temperature, etc. in some areas.

Still, I'm hoping that this is just a short-term trend. Someday I'd like to eat a loquat.

murahilin

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Re: new USDA Zones due to warming trend
« Reply #5 on: January 25, 2012, 01:41:16 PM »
I see that the map is based on data through 2005. My zone 9b place in Highlands County, Florida has had quite a few nights down to about 20 degrees in the last 3-4 winters.

I've heard that even modest overall climate change can cause extremes of temperature, etc. in some areas.

Still, I'm hoping that this is just a short-term trend. Someday I'd like to eat a loquat.

Where are you having trouble growing loquats? Lake Worth or Highlands County?

Tim

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Re: new USDA Zones due to warming trend
« Reply #6 on: January 25, 2012, 01:44:35 PM »
 :(  I'm still 9b ... can't grow Guanabana outside without protection yet.
Tim

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Re: new USDA Zones due to warming trend
« Reply #7 on: January 25, 2012, 01:53:38 PM »
http://fcit.usf.edu/florida/maps/pages/1000/f1036/f1036.htm

from 1978 looks same more or less....global warming is mumbo jumbo. :P ::) ;) >:( :'( ;)
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phantomcrab

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Re: new USDA Zones due to warming trend
« Reply #8 on: January 25, 2012, 02:11:54 PM »
I'm in 10a as I always suspected from observing the local yard plantings. There isn't much of a change in the St. Petersburg weather records though.

http://www.srh.noaa.gov/tbw/?n=tampabayoriginalclimatepage
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Re: new USDA Zones due to warming trend
« Reply #9 on: January 25, 2012, 02:14:47 PM »
Never had any problems with loquats fruiting in Gator Country (Gainesville, Florida).

Rob
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Re: new USDA Zones due to warming trend
« Reply #10 on: January 25, 2012, 02:19:18 PM »
murahilin:   I've had the loquat trouble in Highlands; each year the flowers or fruit are killed by low temps.   So far I've saved the limited yard space in Lake Worth for mangos and such.

Are fruit flies a problem these days for loquats in Florida zone 10?

mangomandan

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Re: new USDA Zones due to warming trend
« Reply #11 on: January 25, 2012, 02:21:38 PM »
Never had any problems with loquats fruiting in Gator Country (Gainesville, Florida).

Rob

I had always thought they grew great in central Florida.   Maybe it's a microclimate issue for my yard / neighborhood.

nullzero

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Re: new USDA Zones due to warming trend
« Reply #12 on: January 25, 2012, 03:42:50 PM »
It seems most of California experienced a bump up in zone. Interesting to see that almost all of Los Angeles basin is a solid zone 10b. I believe the Los Angeles basin gets a lot of the warmth at night from the concrete and asphalt density. I can spot many +15 year old Mango and Inga edulis trees planted in the ground through out Los Angeles.
Grow mainly fruits, vegetables, and herbs.

Greg1029

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Re: new USDA Zones due to warming trend
« Reply #13 on: January 25, 2012, 04:21:01 PM »
I'm in Whittier, Ca. and I got bumped up to 10b

Greg

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Re: new USDA Zones due to warming trend
« Reply #14 on: January 25, 2012, 04:24:51 PM »
I'm in Whittier, Ca. and I got bumped up to 10b

Greg

Time to plant out a bunch of Guanabana with a nice bamboo wind break, or better yet, sapodilla!!!

I'll buy some! :P :P :)
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justcurios

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Re: new USDA Zones due to warming trend
« Reply #15 on: January 25, 2012, 04:26:30 PM »
My zone bumped up from 9A to 10B (92646).  Zone 10b = 35-40Deg F - which I consistently observe...

Patrick

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Re: new USDA Zones due to warming trend
« Reply #16 on: January 25, 2012, 04:37:00 PM »
I hope the plants all get this memo! ;)

Tropicalgrower89

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Re: new USDA Zones due to warming trend
« Reply #17 on: January 25, 2012, 05:56:32 PM »
http://fcit.usf.edu/florida/maps/pages/1000/f1036/f1036.htm

from 1978 looks same more or less....global warming is mumbo jumbo. :P ::) ;) >:( :'( ;)

I guess Florida had a warmer climate back then.  :) lol Temps have been the same on the same wave-like pattern.  We've had cold and mild winters before. I guess they change the temp scales for each zone, like what they did to the Tornado strength scale. The F scale vs the EF scale.
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Re: new USDA Zones due to warming trend
« Reply #18 on: January 25, 2012, 07:45:36 PM »
Officially, Im now in 7B which is 5-10 degrees but in practice, its more like 8a which is 10-15. I dont recall it getting below 10 degrees, and even 15-20 degrees is rare

samuelforest

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Re: new USDA Zones due to warming trend
« Reply #19 on: January 25, 2012, 08:29:44 PM »
New york is pretty warm, it's only 6-8 hours from Montreal and there's a big difference.

JF

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Re: new USDA Zones due to warming trend
« Reply #20 on: January 25, 2012, 08:31:18 PM »
I'm a solid 10B now maybe a sunset zone 24.

adiel

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Re: new USDA Zones due to warming trend
« Reply #21 on: January 25, 2012, 08:46:32 PM »
I'm in 10b now.  Good job finding this. 

Adiel

zands

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Re: new USDA Zones due to warming trend
« Reply #22 on: January 25, 2012, 09:17:40 PM »
Just saw this: http://planthardiness.ars.usda.gov/PHZMweb/default.aspx

thanks! now I need to change my profile! i'm in zone 9b i guess...what's the zone map from 1955 look like??? lol ;)

Here is Bloomberg article on the new zones
USDA ‘Plant Hardiness’ Map Shifts Temperature Zones North http://www.bloomberg.com/news/2012-01-25/usda-plant-hardiness-map-shifts-temperature-zones-north-1-.html Not that I believe it. Lots of this global warming hysteria has been exposed as junk science as far as I'm concerned.  It is beyond laughable to classify CO2 as a pollutant. Water vapor is a stronger factor than CO2 in the greenhouse effect. Solar cycles are very influential.

murahilin

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Re: new USDA Zones due to warming trend
« Reply #23 on: January 25, 2012, 09:23:16 PM »
Just saw this: http://planthardiness.ars.usda.gov/PHZMweb/default.aspx

thanks! now I need to change my profile! i'm in zone 9b i guess...what's the zone map from 1955 look like??? lol ;)

Here is Bloomberg article on the new zones
USDA ‘Plant Hardiness’ Map Shifts Temperature Zones North http://www.bloomberg.com/news/2012-01-25/usda-plant-hardiness-map-shifts-temperature-zones-north-1-.html Not that I believe it. Lots of this global warming hysteria has been exposed as junk science as far as I'm concerned.  It is beyond laughable to classify CO2 as a pollutant. Water vapor is a stronger factor than CO2 in the greenhouse effect. Solar cycles are very influential.

Zands... be nice  ;) You know us liberals get hurt when someone talks bad about global warming!

Gryffindor4

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Re: new USDA Zones due to warming trend
« Reply #24 on: January 26, 2012, 12:32:38 AM »
Aw, I'm still in 9a. :(

 I heard that many years ago it used to be a lot warmer here and they used to grow a lot of citrus commercially. Anyone know what zone Jacksonville was like 20-30 years ago?

phantomcrab

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Re: new USDA Zones due to warming trend
« Reply #25 on: January 26, 2012, 05:03:53 AM »
A link to a map that shows the 1990-2006  US zone changes in motion:

http://www.arborday.org/media/mapchanges.cfm
Richard

murahilin

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Re: new USDA Zones due to warming trend
« Reply #26 on: January 26, 2012, 11:07:47 AM »
Aw, I'm still in 9a. :(

 I heard that many years ago it used to be a lot warmer here and they used to grow a lot of citrus commercially. Anyone know what zone Jacksonville was like 20-30 years ago?

Was it 20-30 years ago that they used to grow it? I remember reading in a book about the History of Citrus that a while back (I think even more than 100 years ago) there were many citrus groves further north in the state because there hadn't been a strong freeze in a few years. After many people planted out acres of citrus and the trees were doing well, a really strong freeze happened and killed off all the groves that were too far north. The groves were not replanted in fear of losing everything again. Since I do not have the book, what I said is just from memory and could be completely wrong. I will try google and see if I can find more concrete info about it.

Gryffindor4

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Re: new USDA Zones due to warming trend
« Reply #27 on: January 26, 2012, 12:18:59 PM »
Hmm, doesn't seemed to have changed much since 1990.

Aw, I'm still in 9a. :(

 I heard that many years ago it used to be a lot warmer here and they used to grow a lot of citrus commercially. Anyone know what zone Jacksonville was like 20-30 years ago?

Was it 20-30 years ago that they used to grow it? I remember reading in a book about the History of Citrus that a while back (I think even more than 100 years ago) there were many citrus groves further north in the state because there hadn't been a strong freeze in a few years. After many people planted out acres of citrus and the trees were doing well, a really strong freeze happened and killed off all the groves that were too far north. The groves were not replanted in fear of losing everything again. Since I do not have the book, what I said is just from memory and could be completely wrong. I will try google and see if I can find more concrete info about it.

Yeah, I think it was about 30 years ago. My parents moved to Florida in the early 80's and my mom said that north Florida was warmer then and grew citrus commercially.

And Florida has changed with rainfall as well, I remember when I was little, like in the 90's, that it used to rain nearly every afternoon in the summer. I remember hating that because we'd have to plan swimming in the pool and going to the beach around the rain. Now it doesn't rain near enough, my retention pond has been low for 2 years now.

phantomcrab

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Re: new USDA Zones due to warming trend
« Reply #28 on: January 26, 2012, 01:43:40 PM »
Here's a link to the history of significant Florida freezes from a citrus grower's point of view. The 2010 freezes are not included in this.

http://flcitrusmutual.com/render.aspx?p=/industry-issues/weather/freeze_timeline.aspx
Richard

zands

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Re: new USDA Zones due to warming trend
« Reply #29 on: January 26, 2012, 02:13:03 PM »
Zands... be nice  ;) You know us liberals get hurt when someone talks bad about global warming!

Tell me about it, it is really really tough. So tough that Al Gore recently bought an 8 million dollar mansion (with big carbon footprint) right on the California coast. So much for his dire warnings of rising sea levels.

http://www.zimbio.com/pictures/aTgN_H8RWtH/Al+Tipper+Gore+New+House+Montecito+2/CSfn9UW1kac/Al+Gore
« Last Edit: January 26, 2012, 03:11:00 PM by zands »

mangomandan

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Re: new USDA Zones due to warming trend
« Reply #30 on: January 26, 2012, 02:52:34 PM »
I've read that central Florida had fewer temperature extremes, e.g. hard freezes, back before some of the land was drained.   Apparently swampy areas retain more heat than dry ones, in the winter at least.
As far as global warming/weirding/climate change, I'm not offended by any sort of opinion about it, despite being a card-carrying liberal. (A library card counts, right?)
Maybe it's happening and man-made.  Maybe not.  Nobody actually knows. Maybe our great-grandchildren will find out one way or the other.
At any rate, I'm happy to see that the topic isn't generating any sort of flame war.
But if someone were to post that Carrie mangos are great and Dot mangos suck, I'd have to get nasty.....
 :P

MangoFang

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Re: new USDA Zones due to warming trend
« Reply #31 on: January 26, 2012, 05:21:04 PM »
Palm Springs, Cali - still a 9B  ( :()


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