Are you totaly organic

Possibley you are right Veggie and some bother from pests is weather related, this year was the warmest spring for many year, but it did turn cold and wet before I started harvesting my tomatoes, also I cropped them 2 months longer than normal without any sign of whitefly and I could smell the marigolds up until I pulled them out last week
As for feeds I am fortunate in the fact I can make my own seaweed feed which I use along with a comfrey feed, and like Bren I steep garlic in water then add eco washing up liquid when spraying my cabbage against slug/snail damage I don't know if it would work against the butterfly as I cover my beds with enviromesh