What is a natural pesticide to kill slugs and snails without harming plants?
Wood ash is not a good thing to put in your garden. Wood ash is highly alkaline. Small amounts can raise the pH level very quickly and you will have to work twice as hard to bring the pH level back to where plants can grow. Salt will also harm your soil. One thing you can try is to lay a board in your garden. The slugs will congregate under it for shelter during the day. You flip the board over and step on them. Crushed eggshells are good to spread around the plants. Slugs don’t like to crawl over them. If you have trees that they are getting into, copper wire wrapped around the trunk is a good deterrent. Beer traps work well but have to be refilled frequently. You would bury a saucer or cup in the soil, leaving about a half inch sticking above the soil line. Fill 3/4 with beer. The slugs fall in and drown. Ducks and chickens love slugs (and other bugs). Let them free range in your garden. You have to watch store bought slug baits. They still sell baits that are harmful to pets and chi