South Dakota frost dates: D

City	Last frost	First frost	Season	Zone
Dallas	May 6	Oct 3	150 d	5a
Dante	Apr 29	Oct 9	163 d	5a
Davis	May 2	Oct 1	152 d	5a
De Smet	May 5	Oct 4	152 d	4b
Deadwood	May 24	Sep 25	124 d	5a
Dell Rapids	May 1	Oct 4	156 d	4b
Delmont	May 3	Oct 6	156 d	5a
Dimock	May 8	Sep 29	144 d	5a
Doland	May 7	Oct 3	149 d	4b
Draper	May 6	Oct 7	154 d	5a
Dupree	May 8	Oct 1	146 d	4b