P. suffruticosa  ' Hu Hong '
The 2-3-year-old P. suffruticosa 'Hu Hong' was used as the experimental material, and the main wild parent of 'Hu Hong' was P.ostii. It belongs to the Jiangnan peony variety group and has excellent heat resistance characteristics. The 'Hu hong' peony seedlings were introduced from Ningguo, Anhui Province to the nursery base of Landscape Architecture College of Central South University of Forestry and Technology on September 20,2020.