Paeonia ostii Feng Dan BaiPaeonia ostii is, in our humble opinion, one of the finest peony species for the garden. Hailing from Gansu, Hunan, and surrounding Chinese provinces, Paeonia ostii grows equally as well in hot, humid NC as it does in the deep freeze of Minnesota. Paeonia ostii forms a 5' tall, well branched specimen in 15 years, topped for us, starting in late March, with over 125, 8" wide, fragrant white (occasionally blush pink) flowers per plant untouched by late