Hi Sandy this is Peggy. I hate spiders inside or out . Sorry you are dealing with them on your outdoor plants. Hope this is helpful. How do I get rid of spiders on my outdoor plants?
To eliminate spiders do such things:
May 8, 2019
How to Eliminate Spiders with Natural Spider Repellent - pestkill
Peggy was helpful not didn’t tell me how much on spider spray how much salt and is safe for plants