Every gardener knows that slugs and snails are active in warm weather and absent in cold weather. They come out after it rains or when plants are watered. This makes it the best time to put out your slug and snail pellet baits. They hibernate or die during heat and drought. Snails and slugs are more active on cloudy days and less active on sunny days.
You can use the aversion of slugs and snails to heat and cold to trap them for easy disposal. In hot weather, dampen the ground in a corner of your garden and cover it with plywood or a flower pot turned upside down. Slugs and snails will gather in the damp, cooler haven you provide them so you can more easily kill or remove them from your property.
You can also kill slugs and snails with cold. Let them find a winter home under a pile of leaves or a piece of plywood, and then remove their cover the first night you have a heavy frost. The cold will take care of your infestation with no need of toxic chemicals or tedious picking by hand.
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