1、Character of Rockii Tree Peony
1)Tall plant, can reach 2-3 m high, crown width 3-4 m.
2)Big and bright flower, the diameter can reach 18-25 cm.
3) Strong fragrance; the smell of one open flower can dominate that of 10 other open flowers from another Peony.
4) Resistance to drought and frost; tolerance of salt and base. Can bear temperatures as low as -43°C; can still grow normally at pH above 7.The cultivation of Gansu Purpura Peony is simple and does not require strict management; it is less attacked by diseases and pests, but in hot and humid weather leaves will grow mould and present scorched leaf symptoms; a sterilizing can be sprayed on foliage to combat the disease.
2、The peony planting seasons are fall and spring.
There are 3 ways of propagation: sowing, budding, and grafting. Sown seeds can blossom after five years; grafted and budded seedlings can blossom just after plantation, but need 2-3 years after the rejuvenation period to offer a better blossom.