Opened in 2012, it features over 20 acres of themed gardens, water features, and walking paths. It is especially known for having one of the largest public conifer collections in the world and the largest public peony collection in North America. The gardens also include musical fountain shows, rare plant collections, and landscaped European-style garden designs, making it one of Ontario’s premier horticultural attractions.

Best Features:
- Largest public conifer collection in the world
- Largest public peony collection in North America
- 20+ acres of themed botanical gardens
- Musical fountain and water shows
- Rare and endangered plant species (including Baishan fir)

Why It's Popular:
Whistling Gardens is popular for its rare plant collections, immersive landscaped design, and seasonal floral displays. Visitors are drawn to its unique combination of botanical science and artistic garden design, along with events like fountain shows, photography sessions, and guided tours. It is especially well known among plant enthusiasts and photographers for its rare conifers and peonies.