Horn Canna Farm in Carnegie is home to over 40 varieties of cannas. Sitting on approximately 30 acres, Horn Canna Farm is a fourth-generation farm welcoming visitors at the peak of the blooming season in September. Horn Canna Farm can be viewed anytime during daylight hours, with the best viewing during the morning. Reservations are not required. The best way to enjoy this unique Oklahoma farm is to park near the barns or anywhere along the perimeter and walk into the field. Visitors are welcome to wander into the field, take pictures and stay as long as they like. In addition, Horn Canna Farm offers an exceptional sunflower field with peak blooming season also in mid September. Professional photographers and their clients are welcome to contact the farm for reservations and fees.