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Summary
DescriptionPaeonia rockii Xue Lian.jpg
English: P. rockii is known for the obvious black, purple, and brown-red spots at the base of petals. Its main features are:
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.
5. Distinct Purple/black spots at the base of the petals.
The cultivation of Paeonia rockii 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.
The 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.
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{{Information |Description={{en|1=P. rockii is known for the obvious black, purple, and brown-red spots at the base of petals. Its main features are: 1. Tall plant, can reach 2-3 m high, crown width 3-4 m. 2. Big and bright flower, the diameter can reach