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When Is the Last Frost?
What to plant
Hardiness zones
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South Dakota frost dates: Y
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City
Last frost
First frost
Season
Zone
Yale
May 6
Oct 2
149 d
4b
Yankton
Apr 27
Oct 11
167 d
5a
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Y