A great partner for Pic's Really Good Peanut Butter. Each jar of Boysenberry jelly is packed with delicious boysenberry grown in Nelson, NZ. Why is it a jelly and not a jam? Well, it hasn't got enough sugar to call it a jam. So, what is in Pic's Boysenberry jelly? Boysenberries (grown in Nelson) 55%, cane sugar; lemon concentrate, pectin.