Companion plants for pest control?

I have been an avid gardener for years and I plant mammoth dill by my tomato plants and have absolutely zero tomatoe worms. I think this will work for cannabis but have honestly never tried it.
Does anyone else use any type of companion planting for pest control? I’m just curious because I know it saves my tomato crop every year

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9 posts were merged into an existing topic: Anybody using companion planting?