James (left) and Sebastian Irwin skip across the wandering stone path in the lush Olson Family Garden atop the eighth floor of St. Louis Children’s Hospital. The 8,000-square-foot oasis offers a serene and healing haven of waterfalls and winding paths for Medical Campus patients and their families. The Irwin brothers and their extended family enjoy the garden, which is home to more than 7,000 plants and flowers, while their brother recovers from successful brain surgery. Throughout the year, the Olson Family Garden features various activities. The Lutheran South High School Jazz Combo will perform in the garden at 2 p.m. April 22.