Minnesota frost dates: J

City	Last frost	First frost	Season	Zone
Jackson	May 2	Oct 2	153 d	5a
Jacobson	May 7	Oct 3	149 d	4a
Janesville	May 2	Oct 4	155 d	5a
Jasper	May 4	Oct 2	151 d	4b
Jeffers	Apr 30	Oct 10	163 d	5a
Jenkins	May 6	Oct 7	154 d	4a
Jordan	May 2	Oct 5	156 d	4b