Connecticut frost dates: H

City	Last frost	First frost	Season	Zone
Haddam	Apr 26	Oct 16	173 d	6b
Hadlyme	Apr 14	Oct 24	193 d	6b
Hamden	Apr 18	Oct 26	191 d	6b
Hampton	Apr 30	Oct 15	168 d	6b
Hanover	Apr 14	Oct 24	193 d	6b
Hartford	Apr 17	Oct 26	192 d	6b
Harwinton	May 8	Oct 5	150 d	6a
Hawleyville	Apr 20	Oct 20	183 d	6b
Hebron	Apr 19	Oct 22	186 d	6b
Higganum	Apr 26	Oct 16	173 d	6b