Science Fair Project Encyclopedia
Rock's Peony
Rock's Peony (Paeonia rockii) is a woody species of the peony, named after Joseph Rock.
This tree peony species is very frost hardy and resistant to fungal diseases, so it can grow and flower in Europe, particularly in northern countries, such as Sweden or Finland. In Germany it is the most hardy tree peony species.
Rockii-hybrids
Tree peony hybrids including Paeonia rockii as one parent are called Rockii-hybrids. In China there is a cultivar group out of these hybrids, called Gansu mudan, or North-West Chinese cultivar group.
03-10-2013 05:06:04
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details