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When Is the Last Frost?
What to plant
Hardiness zones
By state
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Idaho frost dates: K
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City
Last frost
First frost
Season
Zone
Kamiah
Apr 29
Oct 5
159 d
7a
Kellogg
May 14
Sep 26
135 d
6b
Kendrick
Apr 20
Oct 20
183 d
7a
Ketchum
frost any month
5b
Kimberly
May 6
Oct 3
150 d
6b
King Hill
May 1
Oct 3
155 d
7a
Kingston
May 14
Sep 26
135 d
6b
Kooskia
Apr 30
Oct 11
164 d
5b
Kootenai
May 8
Sep 28
143 d
6b
Kuna
Apr 24
Oct 21
180 d
7a
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
Y