Temperature Zones
Average Frost Dates
ZONE |
AVERAGE FIRST FROST |
AVERAGE LAST FROST |
1 |
July 1 - July 31 |
June 1 - June 30 |
2 |
Aug 1 - Aug. 31 |
May 1 - May 31 |
3 |
Sept 1 - Sept. 30 |
May 1 - May 31 |
4 |
Sept 1 - Sept. 30 |
May 1 - May 31 |
5 |
Sept 30 - Oct. 30 |
March 30 - April 30 |
6 |
Sept 30 - Oct. 30 |
March 30 - April 30 |
7 |
Sept 30 - Oct. 30 |
March 30 - April 30 |
8 |
Oct 30 - Nov. 30 |
Feb. 22 - March 30 |
9 |
Nov 30 - Dec. 30 |
Jan. 30 - Feb. 28 |
10 |
Nov 30 - Dec. 30 |
Jan 30 or earlier |
11 |
No frost year |
No frost year |
Average Rainfall
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Know Your Zone
When looking for plants for your garden it is important to know your zone. Generally speaking the area west of the Blue Ridge is in the hardiness zone 6. Look for perennials that will winter well and annuals that are suited to our temperatures and rainfall amounts..
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