For providing cherries safety and security for visitors, we have grown cherries. So you can just eat them without washing. About pesticides, we have very strict pesticide standard in Japan. Orchards usually use safe pesticide. Since we in Hokkaido have rare occurrence of disease and insect than others, we are reducing the use of pesticides by half than usual in particular. It is one-hundredth concentration which does not affect your health if you live longer than 100 years. Please enjoy cherry-picking at Farm. And be at ease and eat cherries.