We tend to follow the Environmental Work Group’s (EWG) clean fifteen and dirty dozen to select organic produce over non organic. A simple rule of thumb is if you eat the skin prefer organic. For example you can’t scrub a strawberry to get any chemicals off it. So we prefer organic strawberries. But you don’t eat the skin of an avacado so we will use non organic.
We have a hard time finding organic
jalapeno so we use non organic if we have to and wash them.
Nutrition Facts dot org has some wonderful resources on organic foods. Scientifically just eating fruits and veggies outweighs the added risks as pointed out in the conclusion of this video: