Slugs and snails are widespread backyard pests that may trigger injury to a variety of crops, from greens and fruits to flowers and decorative crops. They voraciously feed on the tender leaves, buds, fruits, and stems, abandoning holes and discolored patches. A big infestation can completely devastate your backyard.
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Snail and Slug Fundamentals
Slugs and snails will not be bugs; they’re soft-bodied mollusks. The primary distinction between slugs and snails is that the latter have a shell which is made largely of calcium carbonate, like egg shells.
Additionally known as gastropods, which suggests “stomach-foot”, snails and slugs journey on one “foot”, and go away a tell-tale path of shiny, slimy mucus wherever they go. In reality, it’s the presence of this slime that may allow you to distinguish slug and snail injury from that brought on by different pests.
Slugs and snails are hermaphroditic, that means every particular person has each female and male reproductive organs. This implies they’re able to reproduce shortly and prolifically, and in consequence do a lot of injury for those who don’t management their populations.
One of the best method to slug and snail management is to make use of an built-in mixture of cultural, bodily and organic strategies collectively. Listed here are 13 completely different strategies that can assist you management slugs and snails naturally in your backyard.
Cultural Controls
The way in which you domesticate and preserve your backyard can have a big effect on stopping pest populations.
Cut back Slug and Snail Habitat
Slugs and snails feed primarily at night time, so in the course of the day they disguise in moist, darkish locations beneath leaves, pots, planters, thick groundcovers like ivy and ice plant, and mulch. To make your backyard much less slug-friendly, you’ll need to both scale back and take away their hiding locations, or use them as a entice (See beneath):
- Transfer soggy leaf or straw mulch away out of your crops as quickly as they arrive up within the Spring. Wait to mulch once more till early summer season when the soil and air is drier.
- Take away useless or broken leaves out of your crops year-round to encourage good air circulation and take away hiding locations, particularly across the root zone.
- Within the fall, clear up backyard particles and transfer it far out of your backyard beds to make it harder for slugs to put eggs and overwinter.
- Put away your unused pots, planks of wooden, and different backyard muddle that would present hiding locations for slugs, snails and their eggs.
Water Within the Morning


One of the simplest ways to assist forestall slug and snail injury is to maintain plant and soil surfaces as dry as doable in a single day. At all times water very early within the morning relatively than within the night, so surfaces are dry by the tip of the day.
Keep away from overhead watering, as moist leaves are extra weak to wreck from slugs and snails in addition to from fungal illness. In areas with excessive rainfall or humidity, give crops additional house within the backyard to advertise good air circulation.
One of the best observe is to modify to drip irrigation on a timer. This does three actually good issues to your backyard. Drip irrigation:
- saves water by irrigating instantly on the root zone, by means of any mulch, saving you water and cash. With a timer in your system, you possibly can water at dawn with out even getting off the bed!
- eliminates overhead watering, which reduces moist foliage, stopping pests and illness
- tremendously reduces the period of time that the bottom is moist, which makes your backyard far much less liveable for moisture-loving pests like snails and slugs.
Select Slug Resistant Crops
Leaves with tender, delicate leaves and fruits are usually slug magnets, together with basil, beans, cabbage, dahlia, delphinium, hosta, lettuce, marigolds, strawberries, and small seedlings of all types.
Leaves which can be thick, leathery, furry or waxy resist their assaults, as do crops which can be very fragrant. The place you possibly can, select crops that slugs don’t take care of, like cyclamen, ferns, geraniums, lavender, nasturtiums, poppies, rhodededrons, rosemary, or sage.
Use Companion Planting
Some fragrant crops, similar to rosemary, chamomile, chives, and garlic naturally repel slugs and snails. Planting a lot of these crops close to or round different crops which can be liable to slug and snail injury will help to discourage them, in case your drawback is gentle.
Different crops are very enticing to snails and slugs, and might be planted subsequent to the backyard to distract and entice them. Good entice crops for slugs embody chervil, marigold, and thyme. Mix entice crops with handpicking to successfully management average slug and snail populations.
Bodily Controls
Handpicking
One of the fundamental and efficient strategies of controlling slugs and snails is by merely hand-picking them out of your crops. That is greatest completed at night time when the pests are most energetic. Use a flashlight or blacklight round their hiding locations and favourite locations to feed and it is possible for you to to identify them and their slime trails. (You’ll be able to typically gather caterpillars, hornworms and different pests extra simply at night time, too!)
Utilizing gloves (to keep away from the slime), choose off and drop any pests you discover right into a bucket of soapy water to kill them, or hold them in a closed container to feed to your chickens, geese, or opossums. Alternatively, you possibly can harvest backyard snails to eat your self! Snails and slugs have a pure homing intuition, so for those who don’t destroy them, you’ll have to take them very far out of your yard, or they’ll simply come again.
Handpicking for a number of nights in a row will tremendously scale back pest populations. As soon as the inhabitants has noticeably declined, weekly hand-picking needs to be ample.
Backyard Cloches


Cloches are small plastic or glass domes that go over particular person crops to guard them from backyard pests in addition to from frost. They’re nice at guarding small seedlings in opposition to slugs and snails, in addition to birds, squirrels and rabbits, as a result of the pests can’t crawl up and over them.
Understand that backyard cloches are like mini greenhouses, and they also create additional warmth and condensation round your crops. Be sure that to carry them off or keep away from utilizing them on sizzling days, so that you don’t overheat your crops.
You should purchase pre-made cloches, or make your individual DIY cloches from repurposed plastic 2-liter bottles or milk jugs with the bottoms lower off and the caps eliminated.
The place to seek out backyard cloches.
Wooden Traps
As a result of snails and slugs like to cover in cool, darkish, moist locations in the course of the day, you possibly can entice these pests beneath board traps or flower pots that you just place all through your yard.
You’ll be able to construct board traps by elevating 12- by 15-inch boards (or any easy-to-handle measurement piece of scrap wooden) off the bottom with 1-inch runners on two sides, like a really low desk. The runners increase the board simply excessive sufficient for slugs and snails to crawl beneath. Be sure that each the board traps and the soil are good and moist whenever you lay them down.
Raise boards day by day and scrape off any snails and slugs you discover. Destroy them away out of your backyard in a bucket of soapy water, feed them to your chickens, or harvest them for dinner. (see Handpicking).
Bread Dough Traps
Latest analysis from Oregon State College has discovered probably the most profitable attractant for slugs is bread dough. Affiliate professor Rory McDonnell stated, “They actually, actually prefer it. Bread dough outperformed every thing.” In a single occasion, over 18,000 snails have been trapped in 48 hours.
You can also make bread dough utilizing the researcher’s recipe and hand-pick the slugs from the dough, or flip it right into a slurry to draw the slugs who then drown within the liquid.


Bread Dough Slug and Snail Entice
This “bread dough” recipe is irresistible to slugs and snails, making it tremendous simple to entice and take away them out of your backyard.
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Combine collectively the flour, water and packet of yeast. Knead right into a dough for handpicking traps, or add extra water as wanted to make a slurry for drowning traps.
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Put your dough or slurry into ready-made slug and snail traps you should buy at backyard provide shops, or make your individual out of a mason jar or giant, plastic yogurt container with just a few snail-size holes lower into the lid.
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Bury the entice on the sting of your backyard in order that the opening of the entice is stage with the highest of the soil. That manner, slugs and snails can fall simply into it.
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Examine the container each morning and take away slugs. Maintain your slurry or dough moist and refreshed for greatest outcomes.
Beer Traps


Slugs and snails are drawn to the yeast in beer as a lot as in bread dough, so inserting a number of small bowls of low-cost, yeasty beer as traps on the sides of your backyard might be an efficient method to management a small pest inhabitants.
As a result of each bread dough and beer are so enticing, you need to place your traps on the sides of your backyard beds, in order to attract the slugs and snails away from your tender crops.
Your entice have to be deep sufficient to drown them, and have vertical sides to maintain them from crawling out. Additionally, you will want a lid of some type to cut back evaporation and stop rain dilution.
You’ll want to bury the traps in order that they’re practically stage with the soil, and alter the beer each few days to keep up its effectiveness.
You should buy ready-made slug and snail traps at backyard provide shops, or you may make your individual by burying a mason jar, small bowl, or giant, plastic yogurt container so the rim is at floor stage, and inserting a lid with one or two snail-size holes lower into it over the container.
The place to seek out slug/snail traps.
Diatomaceous Earth (DE)
Diatomaceous earth (DE) is a pure powder comprised of the fossilized stays of tiny aquatic organisms known as diatoms that slugs and snails (and most hard-shelled bugs) discover tough and dessicating to crawl by means of.
Boundaries of dry diatomaceous earth heaped in a band 1 inch excessive and three inches vast round your crops have been proven to be efficient at deterring slugs, in addition to earwigs, mites, ants, fleas, capsule bugs and different pests which have an exoskeleton.
Nonetheless, diatomaceous earth loses all effectiveness as a pest management the second it turns into moist, making it impractical as a slug barrier in most backyard conditions. Nonetheless, it really works nice as a non-toxic pest management mud utilized instantly on infestations of aphids, ants, fleas, and so forth. each within the backyard and round your private home.
The place to seek out food-grade diatomaceous earth.
Organic Controls
Encourage Pure Predators
Frogs, toads, snakes, birds, raccoons, opossums, turtles, geese, and even chickens will eat slugs, snails and their eggs. Most terrestrial snail species make nice escargot! Encourage pure predators by giving them habitat, like a small pond or water characteristic in your yard, or a small log and brush pile in a secluded or distant portion of your property.
You may also let your geese or chickens free in your backyard or orchard to make fast work of slugs and snails there, in case your crops are giant sufficient to deal with pecking and hopping round them.
Use Helpful Nematodes
Nematodes are a category of tiny, useful worms that may be utilized to the soil to regulate many forms of pests. They are usually voracious predators for his or her particular prey of alternative, and make fast work of any that are available in contact with them. Every species of nematode assaults completely different species of pests, so it is very important select the precise nematodes for the job you want them to do. The nematode varieties known as Phasmarhabditis hermaphrodita and Phasmarhabditis californica, particularly, kill slugs and snails. They’re the one forms of nematode which can be confirmed to take action.
Nematodes are utilized to your soil by mixing them in water and making use of them to your backyard beds or planters in accordance with instructions on the package deal. As a result of they’re dwelling creatures, after you purchase them, they’ll should be saved in a darkish container within the fridge, and used shortly.
Slug-killing nematodes might be bought from gardening provide shops in Europe, however will not be but accessible within the U.S. (Though many different species of pest-control nematodes can be found within the U.S.)
The place to seek out slug-killing useful nematodes in Europe.
Chemical Controls
Chemical controls for snails and slugs might be efficient when used along side an built-in pest administration program that includes the opposite strategies mentioned above. Baits alone will not successfully management snails or slugs in the long run.
Copper Boundaries


Slugs and snails expertise an uncomfortable chemical response to their slime touching copper, so copper obstacles might be an efficient method to deter them—although they have a tendency to work higher in small purposes like potted crops, relatively than giant backyard beds. Right here’s tips on how to greatest use them:
- Make protecting collars to your seedlings by wrapping them with a strip of 2-sided copper tape or flashing that’s no less than 3 inches vast so you possibly can bury a portion of it 1 or 2 inches beneath the soil to forestall pests from crawling beneath the barrier.
- Nail or glue 2-inch vast copper foil or tape across the base of your pots and patio containers. You’ll want to take away any pests current within the soil earlier than making use of the barrier, so that you don’t undermine your efforts.
- Defend your bushes by wrapping a 4-inch vast band of copper foil or mesh across the trunk, permitting for an 8-inch overlap across the trunk. Staple one finish into the trunk, then join the opposite finish to itself with paper clips that may permit the copper band to slip outward and broaden because the trunk grows.
To be efficient in opposition to slugs and snails, copper obstacles should be no less than 2 inches vast, and made with a excessive share of copper. Most copper tapes offered at backyard facilities are too slender and too low in copper to be very efficient, so search for thicker, wider copper tapes which can be particularly made for shielding electrical guitars and different electronics.
Copper obstacles are efficient till they develop into tarnished. After they do tarnish (which is able to differ primarily based in your area and local weather), you possibly can clear them with a vinegar resolution.
The place to seek out high-quality copper tape.
Iron Phosphate Bait


Iron phosphate bait pellets—accessible beneath many model names, together with Sluggo and Slug Magic—will trigger snails and slugs to cease consuming, nonetheless it may possibly take a number of days to every week for the snails to die.
Iron phosphate is a pure mineral, and due to this fact it’s acceptable to be used in natural farming. Nonetheless, iron-based slug pellets will not be utterly non-toxic to different animals. These pellets can kill earthworms and hurt animals or those who ingest giant portions of them, so hold the package deal locked away from youngsters, pets, and compost bins. However iron phosphate slug pellets are nonetheless a a lot safer various to metaldehyde slug baits.
Sprinkle snail bait pellets over the backyard soil, close to, however not on crops which can be enticing to them, or close to their favourite hiding locations, similar to beneath planters and irrigation containers, near partitions and fences, or different moist, protected areas.
Apply the bait within the late afternoon or night to make the most of the nighttime feeding habits of those pests. Making use of bait repeatedly in the identical areas is greatest, as a result of snails and slugs are likely to return to meals supply websites.
Gentle watering after software helps these pellets to work higher, as a result of it encourages snails and slugs to forage. Nonetheless, don’t water closely after bait placement, since you might bury the pellets in soil, wash them away, or make them moldy.
The place to seek out iron phosphate slug pellets.
AVOID: Metaldehyde Bait
Slug and snail baits containing the energetic ingredient metaldehyde are simple to seek out in backyard facilities, and they’re extremely efficient. Nonetheless, metaldehyde baits are toxic, notably to canines and cats, and the pelleted kind might be very enticing to canines. Some metaldehyde merchandise are formulated with “carbaryl”, which is poisonous to earthworms and soil-inhabiting useful bugs.
Metaldehyde is just not accredited for natural farming. Don’t use metaldehyde snail baits the place youngsters and pets might encounter them. Keep away from getting metaldehyde bait on crops, particularly fruit and veggies.
AVOID: Salt or Ammonia
Each slugs and snails might be killed very successfully by both sprinkling them with salt or spraying them with an ammonia resolution. However these chemical compounds additionally kill crops and soil life fairly readily, and so they can accumulate in your soil, so they don’t seem to be really helpful for slug and snail management within the yard and backyard, or close to storm drains, creeks, lakes, rivers or different waterways.
What Doesn’t Work to Management Snails – Widespread Myths
Opposite to well-liked backyard folklore, crushed egg shells, espresso grounds, wooden ash, pine needles, shredded bark mulch and wool pellets have all been examined and proven to be ineffective at deterring slugs and snails.
In reality, some experiments present that snails and slugs don’t appear to thoughts espresso grounds or egg shells one bit. And since calcium is a vital a part of a snail’s weight loss program (to keep up their shell), they might really be drawn to egg shells!
Put your espresso grounds, wooden ash, and egg shells to raised use in your compost bin. Pine needles, shredded bark and wool pellets make excellent mulches, however don’t depend on them for slug management.