My grandmother always puts them at the bottom of the closet, which seems to keep the moths away.

Dress moths often feed in wardrobes, chests of drawers and shelves in autumn. They might look harmless at first, but it’s best to get rid of them as soon as you see them. Otherwise, they could ruin your favourite jumpers. If you want to save your fabrics, you could try Grandma’s home remedy for moths. This method worked for her, and she never had a problem with them.

Clothes moths may be small, but they can cause a lot of damage to your favourite sweaters and coats. The larvae are particularly dangerous, as they feed on the fabrics stored in dark corners of your closet.
If you want to keep your clothes safe from damage this autumn, make sure you put this in your wardrobe as soon as possible. That way, you can be sure the moths won’t even come close to your wardrobe. My grandmother used this trick for years.

How to get rid of clothes moths? First, do this

Do you have clothes moths in your wardrobe? If you want to get rid of them and make sure they don’t come back, you need to give your wardrobe a good clean. Take everything out of the wardrobe and go through it. Discard any damaged clothes and wash the rest thoroughly.
Give the wardrobe a clean, vacuum even the dark corners and crevices, and get rid of the vacuum cleaner bag right away (it’ll be full of maggots). Give the furniture a good airing and then wipe it down again with a solution of vinegar and water, as moths hate the smell.

Home remedy for clothes moths. My grandmother puts it in the bottom of the cupboard

One of the best home remedies for moths is to scatter chestnuts in your closet after cleaning it out. Make sure they’re dry and peeled. Just throw a few in between your clothes, at the bottom of your dressers and in your closets.
Chestnuts give off a smell that insects don’t like, so they won’t want to nest in your home. You can also use essential oils, bay leaves or citrus fruits (dried orange, lemon or grapefruit slices) to keep moths away.