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When Is the Last Frost?
What to plant
Hardiness zones
By state
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South Dakota frost dates: U
A
B
C
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P
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U
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Ad
City
Last frost
First frost
Season
Zone
Union Center
May 16
Sep 26
133 d
4b
Utica
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