Tried it last week, and it was right after I had gone on 'night patrol' and nabbed most of the perps.
I had to ditch the stinky potato slices after about 4 days, but I will put some more out tonight. The snails keep returning as long as it's wet at night, it seems.
Got to admit, he was an athletic little snail, he climbed 5ft. up the metal stand, out the hook, down the wire hanger and up the flower stem to get to those yummy flowers!