The Walla Walla sweet onion is designated as the official vegetable of the state of Washington.
[ 2007 c 137 s 1.]
RCW 1.20.140, under General provisions..
RCW 1.20.140
The Walla Walla sweet onion is designated as the official vegetable of the state of Washington.
[ 2007 c 137 s 1.]