Utah frost dates: A

City	Last frost	First frost	Season	Zone
Alpine	May 3	Oct 12	162 d	7a
Altamont	May 31	Sep 23	115 d	5b
Alton	Jun 1	Sep 30	121 d	6a
Altonah	May 31	Sep 23	115 d	6a
American Fork	Apr 17	Oct 25	191 d	6a
Aneth	May 2	Oct 10	161 d	7a
Annabella	May 21	Sep 24	126 d	6a
Antimony	Jun 17	Sep 12	87 d	5b
Aurora	May 21	Sep 24	126 d	6a
Axtell	May 11	Oct 6	148 d	6a