Yes, you can definitely plan a picnic in the parks of Yercaud. The local botanical garden, Anna Park, offers a green and quiet environment ideal for picnics. Deer Park also offers a natural setting surrounded by a variety of flora and fauna. Both parks offer ample space to spread out a blanket and enjoy a meal surrounded by nature. However, please be sure to clean up after your picnic to maintain the cleanliness and beauty of the park.