Paeonia rockii cultivars are the rarest and most beautiful tree peonies in the world. They grow wild in the mountains of the Chinese province of Gansu, at altitudes of over 2,000 metres. That is why they are able to withstand very cold winters, as well as hold, dry summers. The flower, with its intense scent, is characterised by a dark, almost black stain at the base of the petals.
Rockii tree peony: single lotus-shaped flower in milky white with dark purple nails at the base of the petals and golden yellow stamen.
Rockii tree peony with the following characteristics: single white flower, nuanced with pink in the centre which shades into white at the tips of the petals. In the centre of the corolla is a dark stain that characterises all of the varieties of P. rockii.
Rockii tree peony with the following characteristics: single to semi-double flower with lilac-pink streaks and the typical spots at the base of the petals.