Missouri frost dates: I

City	Last frost	First frost	Season	Zone
Iberia	Apr 8	Oct 28	203 d	6b
Imperial	Apr 9	Oct 26	200 d	7a
Independence	Apr 10	Oct 27	200 d	6b
Ionia	Apr 13	Oct 23	193 d	6b
Irondale	Apr 11	Oct 28	200 d	6b
Ironton	Apr 13	Oct 21	191 d	6b
Isabella	Apr 2	Nov 1	213 d	7a