Whetstone Park, located in the state of Ohio, is a picturesque and vibrant park that offers a variety of attractions and activities. Here is a summary of some key reasons to visit, notable points of interest, interesting facts, and the best time of year to plan your visit:

1. Reasons to Visit:
- Natural Beauty: Whetstone Park is known for its natural beauty, featuring lush greenery, serene lakes, and charming gardens.
- Recreation: The park offers various recreational activities, including hiking, biking, picnicking, fishing, and bird-watching.
- Park Amenities: Visitors can enjoy amenities such as playgrounds, sports fields, tennis courts, a skate park, and a dog park.
- Educational Opportunities: The Whetstone Park of Roses offers educational programs and workshops on horticulture and gardening.

2. Points of Interest:
- Whetstone Park of Roses: This magnificent rose garden showcases over 13,000 roses of different varieties and colors, making it a must-visit attraction.
- Park of Roses Fountain: A beautiful fountain in the heart of the rose garden that provides a peaceful ambiance and serves as a perfect spot for photography.
- Park of Roses Amphitheater: An outdoor amphitheater where various cultural and musical events are held during the summer months.
- Whetstone Pond: A serene pond where visitors can relax, fish, or paddle small boats.

3. Interesting Facts:
- Whetstone Park covers an area of approximately 136 acres, offering ample space for various activities.
- The Park of Roses is one of the largest municipal rose gardens in the United States.
- The park's name, "Whetstone," comes from the Whetstone River, which flows nearby.

4. Best Time to Visit:
- Spring and early summer (May to June) are the best times to visit Whetstone Park, especially the Park of Roses, as the roses are in full bloom during this period.
- Autumn (September to October) is also a pleasant time to visit when the park is adorned with fall foliage, offering a picturesque view.

To ensure accuracy, it is recommended to verify the details mentioned above by referring to multiple independent sources such as official park websites, travel guides, and local tourism authorities.