Garden Planting Zones & Frost Dates

USDA hardiness planting zone map
USDA Hardiness Zone First Frost Date Last Frost Date
1 July 15th June 15th
2 Autust 15th May 15th
3 September 15th May 15th
4 September 15th May 15th
5 October 15th April 15th
6 October 15th April 15th
7 October 15th April 15th
8 November 15th March 15th
9 December 15th February 15th
10 December 15th January 31st (sometimes earlier)
11 No frost. No frost.