- 17 hours ago
Wake up to fewer slug and snail attacks with simple traps that work overnight—without scattering poison pellets through your garden. This practical gardening guide explains why slugs seek cool, damp hiding places and how to use that habit to protect seedlings, vegetables, flowers, and other tender plants.
Learn how to set a baited salt cup flush with the soil, cover it to keep the salt dry, and check it each morning. The guide also shares beer traps and board traps, plus sensible precautions for handling slugs and disposing of salty remains so garden soil and plants are protected. These natural slug control tips offer a low-cost approach for gardeners dealing with wet-weather pest damage.
Learn how to set a baited salt cup flush with the soil, cover it to keep the salt dry, and check it each morning. The guide also shares beer traps and board traps, plus sensible precautions for handling slugs and disposing of salty remains so garden soil and plants are protected. These natural slug control tips offer a low-cost approach for gardeners dealing with wet-weather pest damage.
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00:00You go out in the morning and your seedlings are gone, not wilted, not sick, just gone,
00:06chewed down to ragged stumps overnight, and there across the leaves and the soil is that one
00:13tell-tale sign, a trail of dried silvery slime catching the light. You have been robbed in the
00:20dark by a thief you never see in daylight, for he does his work by night and hides by day,
00:27so that you never catch him at it and begin to wonder if some sickness or some mystery is eating
00:33your garden. It is no mystery. It is a small, soft creature you could hold in your hand,
00:40and I will show you exactly how to catch him. And most folk fight him exactly wrong,
00:46going out with a flashlight to pick off the few they can find or scattering poison pellets that
00:53foul the very soil they are trying to protect. There is a far better way, an old way, that costs
01:00you almost nothing and does not poison a thing, and it works while you sleep by bringing the thief to
01:07you instead of you chasing him. Stay with me, for by the end you will wake to find the work
01:14already
01:15done. The thief, of course, is the slug and his shelled cousin, the snail. And before I show you
01:22how to be rid of them, understand the one thing about them that makes the whole method work.
01:28They are creatures of the dark and the damp. They cannot bear the dry daytime sun, which would
01:35shrivel them. So they feed only by night and spend the hot day hidden under anything cool and moist,
01:42a board, a stone, a thick leaf, the rim of a pot. And they are drawn, above all, to three
01:50things,
01:51moisture, darkness, and a soft green meal. Now hold on to that, for it is the whole secret.
01:59Most folk try to drive the slug away. We are going to do the opposite. We are going to offer
02:05him the
02:06moist, dark, well-fed paradise he most desires, and turn it into a trap he does not leave. And this
02:14is why
02:15the slug plagues you worst in a wet spring or a rainy spell, for the damp is his whole world,
02:22and a stretch of wet weather brings him out in armies. The drier your garden, the fewer you will
02:29have. But in the damp seasons, when your tender young seedlings are just up and most at his mercy,
02:36he comes in force. And that is just when this trap earns its keep. I gathered the whole of it
02:43into a
02:43book at EliasYoder.com. The book is the long version. If you want it, it is there. I will not
02:51mention it again. Here is the trap, and it is the plainest thing, built from a cup and a spoon
02:58of
02:58salt. You take a small container, a cup or a tub, and mind it must be sound and unhold at
03:06the bottom
03:06so it holds what you put in it. Into the bottom, you lay a thin layer of fine salt, plain
03:13table salt,
03:14the cheap, fine kind. That salt is your killing floor, and I will tell you in a moment why it
03:21works.
03:21Then, over the salt, you lay your bait. A few torn pieces of a soft green leaf the slug cannot
03:28resist,
03:29and the best for this is a cabbage or a kale leaf, or a bit of lettuce, something tender and
03:36green.
03:37That green draws them in from all around to feed. And here is the heart of why the salt does
03:43the work.
03:44A slug is a soft, wet thing, near all water held in by nothing but its thin skin, and salt
03:52pulls the
03:53water straight out of it, so that a slug that touches a good bed of salt simply shrivels and is
03:59gone. You are not chasing the slug to fling salt at him one by one, which is a fool's errand
04:05in the
04:06dark. You are laying a dish of what he craves over a floor of what destroys him, and letting him
04:12come
04:13to you. But here is where most folk go wrong, and why their trap catches a handful when it should
04:20catch a host. They set the cup on top of the ground. And a slug is a low creature. He
04:27cannot
04:27climb up and over a tall rim to get in. So the trap must be sunk. You dig a little
04:34hollow and set the
04:35cup down into it so its rim sits level with the soil, flush with the ground, so the slug can
04:41crawl
04:42straight in off the earth without a wall to climb. That one thing, setting it level with the ground,
04:49is the difference between a trap that catches a few and a trap that catches a great many. Sink it
04:55flush, and the whole neighborhood of slugs has an open door. Now the second thing most folk miss,
05:02and it is what turns a good trap into a deadly one. You must build the slug his paradise over
05:09the top of
05:10it, for the bear cup alone only catches the few slugs already passing by. You want to draw them from
05:17yards
05:17around. So you cover the trap over with something that makes a cool, dark, damp little cave, a wide
05:25board, a broad leaf, a bit of old plank or shingle laid over the top, propped up just a crack
05:32at the
05:32sides so the slugs can creep in underneath. Now you have made the one spot in the whole garden
05:38that a slug most longs for, dark and moist and shaded and smelling of fresh cabbage, and on a damp
05:46night
05:47they will come to it from all directions, drawn out of their hiding places by the promise of it.
05:53That cover does two more good turns besides. It keeps the hot sun off, which the slugs want,
05:59and it keeps the rain and your watering off the salt. For salt left open to the wet dissolves away
06:06to
06:06nothing, and a dissolved salt bed catches nothing. Cover it, and the salt stays dry and ready and the
06:13slugs come running, if a slug can be said to run. You need no great depth of salt, mind. A
06:20thin covering
06:20of the bottom is plenty, for it is contact with the salt that does the work, not the quantity. And
06:27check
06:27it of a morning, for once the bottom fills you will want to empty and refresh it. A salt bed
06:33crowded with the
06:34night's catch loses its bite. And the timing, for this matters too. You set your trap out in the evening,
06:41at the end of the day, not the morning. For the slug works the night shift, and a trap set
06:47at dawn sits
06:48useless all through the day when every slug is asleep in its hiding place. Set it at dusk, and it
06:54works all
06:55through the dark hours when they are out and feeding, and you come to it in the morning to find
07:00the
07:00night's harvest. Set it where you know the trouble is, right among the plants that are being chewed, for
07:06there is where the slugs already gather. Look for the chewed leaves and the silver trails, and set your
07:12trap in the thick of them. Now a plain word of care, for I will always give you the honest
07:18safety of a
07:19thing. These slugs and snails can carry a parasite that is no good for a person, so you do not
07:25handle the
07:26dead ones with your bare hands. Wear a glove or use a tool when you empty the trap, and wash
07:32your hands
07:32after, and wash well any garden greens you bring to your own table that the slugs may have crawled upon.
07:39It is no cause for fright, only for plain sense, and when you empty the trap, do not tip the
07:45salty,
07:46dead slurry out among your plants, for the salt that kills the slug will also harm your soil and burn
07:52your
07:53plants' roots. Carry it well away, and bury it in a waste spot, and rinse the cup, and set it
07:59fresh to catch
08:00the next night's lot. You will likely want to set it several nights running, for a bad infestation does not
08:06empty in one go, whatever the flashy videos promise. A few nights of it, though, and you will have thinned
08:13them
08:13right down. Now I will give you two more honest old ways besides the salt cup, for a wise gardener
08:20keeps more
08:20than one tool, and some folk have no wish to handle salt at all. The first is the beer trap,
08:26and it is near
08:27the same idea. You sink a shallow dish level with the soil, and pour in an inch of plain cheap
08:34beer, and the
08:35slugs are drawn irresistibly to the smell of the yeast in it, every bit as much as to the cabbage,
08:40and they
08:41crawl in and drown. It is clean, and it is simple, and it needs no salt, only the dregs of
08:47a bottle of beer,
08:48and it works a treat. Many a gardener swears by it above all else. Sink it level with the soil,
08:54the very
08:55same as the salt cup, for the same reason, so the slug can crawl straight in, and set it of
09:01an evening, and refresh
09:02the beer every few days, or after a rain waters it down. It is the yeast they are after, so
09:09even a cheap
09:10flat beer gone stale does the job as well as any. No need to waste the good bottle on them.
09:15The second is
09:16the plainest of all, the board trap, and it uses the slug's own habit against him with no bait at
09:23all.
09:24You lay a wide board, or a wet piece of old carpet, flat on the soil among your plants of
09:30an evening, and the
09:31slug's, seeking a cool dark place to pass the day, crawl up underneath it to hide. And in the morning,
09:39you simply lift the board, and there they all are gathered on its underside, and you scrape them off
09:45into a pail. No salt, no beer, nothing but a board, and the knowing of where they will hide. Do
09:53that each
09:53morning for a week, and you clear a garden, and while you are at it, go the other way too,
09:59and take away the
10:00hiding places the slug does not have your leave to use. Clear away the old boards, and the flat stones,
10:07and the heaps of damp rubbish lying about near your beds, the mulch piled too thick and wet against your
10:14stems, for every such spot is a slug's daytime lodging. Leave him only the hiding places you have
10:21chosen, your traps, and you have him where you want him. And here is the thrifty turn that will please
10:27you,
10:28the same turn I have shown you with other pests. Those slugs and snails you gather, if you keep hens
10:35or ducks, are not waste to be buried, but feed to be given, for poultry love them, and ducks above
10:42all
10:42are the sworn enemy of the slug, and will hunt them down and gobble them with great relish. A few
10:49ducks
10:49loose in a garden are a slug patrol that never tires, and asks only to be let at them. So
10:56the pest that ate
10:57your lettuce becomes the meal that fattens your bird, if only you keep the sort of bird that fancies
11:03them. Mind the salt killed ones, though, for those are too salty to feed, so the beer trap and board
11:10trap catch are the ones for the poultry. Nothing need be wasted. My grandmother fought the slugs every
11:17damp spring of her life, and she never once owned a pellet of poison. I remember her going out in
11:23the
11:24cool of the evening to lay her boards and her little sunken dishes among the seedlings, and going out
11:30again at first light to gather what the night had brought, and feeding the catch to her ducks, who came
11:35waddling the moment they saw her stoop to a board. I asked her, a boy, why she did not just
11:42buy the blue
11:42poison pellets the store sold, which seemed so much less trouble. She said, because the poison does not know
11:49when to stop, child. It kills the slug, and then the bird that eats the poison slug, and it sits
11:55in my soil
11:56where my food grows, and for what, when a board and a dish of salt do the same, and harm
12:02nothing I love.
12:04I did not understand her thrift and her care as a boy. I understand them now. She would not buy
12:10a poison
12:20pellets from the store. The folk who sell the pellets gain, every damp spring, forever. And the pellets have
12:28a cost beyond the money, for the common blue sort is a true poison that can sicken a dog, or
12:34a cat,
12:34or a wild bird that eats a poison slug, and it does nothing your soil thanks you for. It is
12:41not that
12:41anyone schemed it so. It is only that a box of pellets can be sold to you again each spring,
12:47and
12:47a sunken cup and a board and a dish of beer cannot, so the poison is pushed, and the plain
12:53old traps are
12:54let slip from memory. But the traps were always better, and they always will be. Now tell me this
13:01in the comments. What is the slug eating worst in your garden? The lettuce? The seedlings? The strawberries?
13:07The hostas. And tell me as well whether you keep ducks or hens, for if you do, your slug trouble
13:14is
13:15half solved already, and if you do not, a few ducks may be the best slug remedy there is.
13:21Next time, I will show you how to wring your most precious seedlings about so that no slug can cross
13:27to reach them at all, with a barrier or two the old folk used that a slug simply will not
13:33crawl over.
13:34But for now, when the slugs come in the damp and chew your garden down in the dark, do not
13:39chase them
13:40with a light, nor poison your soil to be rid of them. Set them a trap at dusk, and let
13:46them come to you.
13:47The people who built this country with their hands knew that, and we are only just starting to remember it.
13:54after that coming, they didn't do very well, because of the grass and the viewer so that, so still