Organic Farm in Sorrento: Pesticide-Free Lemons On a Sorrento Farm by tuk tuk tour in Italy, we learned about how they organically manage the lemon farm. Being always in production, the lemon, if you spray something on, you will find it in the limoncello. It will be poisonous. They are checked when they start the picking, from April to September. Every 15 days, they expect to come to take samples because they cannot use pesticides or medicine. Prevention. That's the most important thing for orga