Know your neonics: the gift that keeps giving (2 years!).
https://beebettercertified.org/unpac...neonicotinoids
You need a perennial flower garden to keep beneficials around. I wonder why mums are such a pest magnet. Peppers are the worst I've ever known, for deluxe aphid hotel. If I put them out in the garden they're clean in no time... but unfortunately it is not a pepper climate here for very long.