I just read a gardening article that says wood ash repels slugs and snails, and other insects. Has anyone used wood ash on their firewood stacks, how were your results? I don't see any harm in it. I usually spread them about anyway.
http://www.thisoldhouse.com/toh/article/0,,1581470,00.html
http://www.thisoldhouse.com/toh/article/0,,1581470,00.html