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Old 01-14-2007, 11:18 PM
 
Location: WPB, FL. Dreaming of Oil city, PA
2,909 posts, read 13,313,160 times
Reputation: 1015

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Isnt Key Largo south of Miami? You most definately are in zone 11, check up wunderground com and the temperature history. Even West Palm Beach is zone 11 because the average annual minimum is about 40 degrees and its essentally frost free, in other words tropical. Where did you get zone 10 from? That is old, outdated info.
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Old 08-10-2013, 10:36 PM
Status: "So happy that I finally live in Texas" (set 1 day ago)
 
Location: In climate zone Cfa/hardiness zone 8a /zip code 76131
4,069 posts, read 2,663,606 times
Reputation: 1467
Average annual minimum Temperatures Indianapolis,Indiana from 1990-2013
1989-1990:-23 Degrees 2001-2002:+4 Degrees
1990-1991:-2 Degrees 2002-2003:-9 Degrees
1991-1992:-8 Degrees 2003-2004:-11 Degrees
1992-1993:-9 Degrees 2004-2005:-2 Degrees
1993-1994:-27 Degrees 2005-2006:+4 Degrees
1994-1995:-1 Degrees 2006-2007:-6 Degrees
1995-1996:-12 Degrees 2007-2008:0 Degrees
1996-1997:-12 Degrees 2008-2009:-12 Degrees
1997-1998:+8 Degrees 2009-2010:+1 Degree
1998-1999:-9 Degrees 2010-2011:-3 Degrees
1999-2000:-8 Degrees 2011-2012:+11 Degrees
2000-2001:-5 Degrees 2012-2013:+4 Degrees

plenty of inter-annual minimum temperature variability here in Indianapolis,Indiana as you can see for the last 23 years of data, I have researched and have even more annual minimum temperature data dating all the way back to the winter of 1956-57.
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Old 08-11-2013, 04:08 AM
Status: "So happy that I finally live in Texas" (set 1 day ago)
 
Location: In climate zone Cfa/hardiness zone 8a /zip code 76131
4,069 posts, read 2,663,606 times
Reputation: 1467
-118 Divided by 23 years=-5.1 Degrees, just barely missing the transition cutoff point between 6-a and 6-b, so I would say that Indianapolis Indiana is a bit more solid zone 6-a than what is shown on the 2012 USDA Hardiness Map, since 2005 is 8 years off and the new 30 year normal would be from 1984 to 2013, but I would keep the period back to 1976 and add to this data set to be sure and these zones are subject to change, and the longer data point the better an idea one might have for one's own zone. Data from 1983-1984 to present= Negative 174 Degrees, Divided by 30= 5.8 Degrees Below Zero, which is 1.7 Degrees warmer than 1976-2005, however; Negative 230 Divided by 38= about 6 Below Zero, so Based on Data from 1976 to 2013 or 38 years of averaged data shows that Indianapolis is a Plant Hardiness Zone 6-a although a fairly more solid Zone 6-a if a map were to be drawn because the 1976 to 2005 is about 1.5 Degrees colder than the 38 year data set is, and the more recent 30 period from 1984 to 2013 is 1.7 degrees warmer than 1976-2005 data set is;So I would say I am located in a comparatively solid Zone 6-a,at least for the time being, and based on the AVERAGE and ONLY the AVERAGE lowest TEMPERATURE I EXPECT to happen each winter here in Central Indiana. Also based on the temperature data set from 1957 to present day the average minimum temperature for the 56 year period is about 7.2 Degrees Below Zero so after an additional 18 years of data were added, Indianapolis is in planting zone 6-a. The 13-year data set for Indianapolis from 1974-1986 yielded an average annual temperature minimum of 10.2 Degrees Below Zero-Barely even cold enough to be classed a Zone 5-b based on the data calculated.

Last edited by Isleofpalms85; 08-11-2013 at 04:48 AM..
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Old 08-11-2013, 05:26 AM
B87
 
Location: Surrey/London
11,761 posts, read 8,544,725 times
Reputation: 3036
Brisbane is in zone 11, London is 9a/b.
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Old 08-12-2013, 08:21 PM
 
Location: Treasure Island Fl
663 posts, read 1,010,169 times
Reputation: 859
Treasure Island Fl. 10a
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Old 08-15-2013, 02:57 PM
 
64 posts, read 130,685 times
Reputation: 52
All I know is i live in Connecticut Hartford county.
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