This article talks about what plants repel spiders
Diatomaceous earth, it's safe & effective for spiders and all pests with an exoskeleton. It's still effective if it gets wet, just make sure it doesn't wash away.
Hi Dee, hope these help you out, plant these to repel spiders,
Use diatamaceous earth sprinkled around to keep many insects away from your plants, it is non toxic to pets and children
I keep plants out doors. I have cats which are very curious.
Try planting other plants around that deter spiders. Here is a list of 13 types that do just that:
Hi Dee: Here is a site from Hometalk: https://www.hometalk.com/43731243/diy-spider-repellent
and another one that might help:
Hi Dee - We use this spray in conjunction with our swiffer and in addition to be a great duster spray, it helps to keep spiders and other buggies at a minimum. Hope this helps! Hugs, Holly
PS - We have a FREE eBook with recipes for all of my homemade and all-natural cleaners. You can download it here --> https://pinkfortitude.com/thank#GreenClean
Here's a post that might help - https://chascrazycreations.com/save-your-garden-sprays-2/
Just my sense of humour If you don't want them getting in naturally, Leave a few ladders about..............Ha Ha!