Frost Date Chart

Zone 1

First Frost: August 25-31

Last Frost: May 22-June 4

Zone 2

First Frost: September 1-8

Last Frost: May 15-22

Zone 3

First Frost: September 8-15

Last Frost: May 1-16

Zone 4

First Frost: September 21-October 7

Last Frost: April 24-May 12

Zone 5

First Frost: October 13-21

Last Frost: April 7-30

Zone 6

First Frost: October 17-31

Last Frost: April 1-21

Zone 7

First Frost: October 29-November 15

Last Frost: March 22-April 3

Zone 8

First Frost: November 7-28

Last Frost: March 13-28

Zone 9

First Frost: November 25-December 13

Last Frost: February 6-28

Zone 10

First Frost: December 15 - December 31

Last Frost: January 1 - January 15

Zone 11+

No usual frost