I squeezed it with the tint bottle all along my baseboards, and I haven’t had a single bug in my home in 5 years! If we see eggs, we act! If I see a snail – I do pick it and step on it to feed the birds. I don’t know if there was a change in the weather that caused this or last years ammonia blitz attack that caused the decrease. It is claimed that the sharp edges of the diatoms cut the foot (ie the bottom) of the slug, and the slug either bleeds to death or dehydrates due to a loss of moisture. It is most effective when used in dry conditions and has little effect when it absorbs moisture. Some Amazon sellers have also to earned the repeat business of gardeners who are looking for a more natural option for pest control. Now, we have a new plan: It seems like work, but the reward is sweet! Excellent and very helpful article!! Or, you can apply a light dusting to the plants themselves. Would this work on fungus gnats in the soil of house plants? I have tried DE on slugs and can confirm your conclusion. Anything that can be sprayed would be good. An article that may be of interest is the use of neem oil, in pest control. To protect individual plants, special snail and slug collars are recommended. The experiment is designed to test two things: a) will slugs (and snails) cross a line of diatomaceous earth? I’m not sure. As a number of others in this area have never encountered slugs, I’m hoping I can get rid of them and not be bothered in the future This past fall, I cut back the hosta leaves and cleared these and other debris from the infected area. Here, you will find an overview of measures to control slugs and snails. Common Mistakes and Effective Alternatives. I don’t have a clue what is going on. It is most effective when used in dry conditions and has little effect when it absorbs moisture. Hi…Does DE kill earwigs, and or Brassica pests. The pictures below show some tests to see if snails cross the DE. b) if a slug crawled across the diatomaceous earth, would it get cut so bad that it dies? They can be helpful, but are not reliable to completely control slugs. Will DE kill ladybugs and can I use it on my pets? When I lived in Phoenix Arizona I used Diatomaceous Earth to kill scorpions. Eggs hatch the following spring and slugs start feeding on strawberries in spring and early summer. 6. Compared it to baby oil for mealy bugs and scale. Basically, it contains the shells of tiny diatoms, fossilized sea organisms that lived millions of years ago. Diatomaceous earth is used effectively for controlling insects, so maybe it works on slugs. Hi Nancy, Without seeming like im being rude can i say that your 100% wrong. We are in the UK by the way. Maybe they can feel the sharpness? The presence of slugs in your garden can be checked by looking for signs of slug movement or slug feeding. Rose slugs will eat up roses like crazy. I am happy to take pics to show this process. Should I cut my plants back and start over for next year? Diatomaceous Earth is a powder that’s completely natural and extremely useful when it comes to ridding your garden of certain pests like snails and slugs. OK, you have debunked DE, egg shells, coffee grounds and all except beer/yeast. If pollination is still a concern, you could also give hand-pollination a try if you want to use row covers instead. Diatomaceous Earth is a powder that’s completely natural and extremely useful when it comes to ridding your garden of certain pests like snails and slugs. As I understand it is a systemic that interferes with the reproductive process, it may be difficult to research – but is also intriguing if there is any truth to the claim that it could inhibit reproduction of leaf eating pests. Eggshells Control Slugs – Do They Really Work? Works great. I want to keep our acreage, and the neighboring land around it, free from harmful chemicals. how well will it work on cockroaches and fleas. Diatomaceous earth is a suitable agent against mites and other vermin in animal husbandry. Diatomaceous earth (tiny fossilized skeletons of ancient aquatic diatoms) is coarse and can scratch up slugs. Mulch Barriers to Protect Plants Against Snails and Slugs: Do They Work? Does Diatomaceous Earth Kill/Repel Slugs & Snails? Yes. I don’t believe that diatomaceous earth cuts slugs – it is another myth. Using gloved hands, carefully remove the eggs, being careful not to tear the leaves. So don’t apply it after watering or after a rain – you need to let the soil dry out first. As long as it is kept dry in storage, DE does not expire. I have the good grade DE. May your heart be filled with love and joy! As for damage to the plants, I noted no damage to the hostas or surrounding plants – with one exception. Handpick and destroy the grubs and let birds feed on them. In addition, preparation and intended use differ. It is most effective when applied after a rain storm but when sunny weather is expected. If you apply it at ground level rather than sprinkling it on the leaves, the bees shouldn’t come into contact with it at all when they are pollinating the flowers, and it should still have an effect on other insects like beetles and soft-bodies worms at the ground level. Do they bite? Clearly diatomaceous earth does not kill the type of slugs or snails being tested here. What type of pests are you trying to get rid of, Becky? As maple syrup producers we are very familiar with DE. Do Marigolds Stop Cabbage Worms – Is this Good Companion Planting? I have roses that are affected by aphids. I can’t guarantee a time period for this, but you should plan to reapply until the problem is resolved. Robert that looked like RAW DE. I have a butterfly garden and didn’t see it mentioned if it will affect butterflies. And I’m continuing to treat weekly (this is my third week) to try and knock them out. Some people believe that DE might kill slugs and snails in the same way as it works against insects. DE is available in two different grades; a food grade and a pool filter grade.