Certified GKH Gardening Expert
Keeping spiders away, usually, consists of physically removing their webs, food source, and hiding spots. Keep in mind, removing spiders will mean that you will need to have a backup source of insect control ready to take over the job that the spiders are doing.
This article will help you to remove spiders: https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-garden-pests.htm
This article will help you with organic insect pest control in place of the spiders: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm