How can I keep cats out of my yard?

Cats dislike the smell of citrus, so, spread some orange or lemon peels around the yard or make a citrus spray. You can also use ammonia-soaked rags.

This has some good ideas, we use a sprinkler sytem that spray water when they come near out plants https://www.neighborhoodcats.org/how-to-tnr/colony-care/keeping-cats-out-of-gardens-and-yards-2

Use scent to keep the cats away

1. Interplant in the garden. Cats dislike the smell of rue, lavender and pennyroyal, Coleus canina and lemon thyme — so plant a few of these throughout the garden space. ...
2. Cats steer clear of strong citrus scents. ...
3. The scent of human hair deters cats.

www.thespruce.com

Use scent to keep the cats away

1. Interplant in the garden. Cats dislike the smell of rue, lavender and pennyroyal, Coleus canina and lemon thyme — so plant a few of these throughout the garden space. ...
2. Cats steer clear of strong citrus scents. ...
3. The scent of human hair deters cats.

How to keep cats out of the garden - David Suzuki Foundation

https://davidsuzuki.org › queen-of-green › keep-cats-garden

Cats don't like citrus plants , thyme and human hair

Cats despise the smell of citrus so put orange or lemon peels all around

Sexy....If you know who it belongs to talk with them

I would try to track down the owner.

Interplant in the garden. Cats dislike the smell of rue, lavender and pennyroyal, Coleus canina and lemon thyme.