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Paeonia japonica Yama-shakuyaku (1 Page of 5) The Paeonia japonica plant species is found in E. Asia - Japan. It is a member of the Paeoniaceae family. Common gardeners may know the plant as Yama-shakuyaku. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Paeonia japonica Common Name: Yama-shakuyaku Family: Paeoniaceae Author: (Mak.)Miyabe.&Tak. Known Hazards: None known Mature Height: 0.45 Mature Width: 0.45 Habitat: Thickets and open deciduous woods in mountains, C. and S. Japan[58].
Cultivation Notes: Requires a deep rich soil, preferably neutral or slightly alkaline[1], doing quite well in sun or light shade[1, 200]. Plants are tolerant of a wide range of soil conditions, but will not survive if the soil becomes waterlogged or is too dry[250]. This species is lime tolerant[200]. Plants grown on sandy soils tend to produce more leaves and less flowers, whilst those growing on clay take longer to become established but produce better blooms[250].
Closely related to P. obovata, this species is not easily cultivated in Britain and tends to be a poor doer here[200].
Plants offered under this name in British nurseries are often P. suffruticosa 'Japanese'[200]. Some botanists now treat this plant as no more than a form of P. lactiflora[250].
A very long-lived plant, specimens can survive in the garden for at least 50 years[200].
Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].
A very greedy plant inhibiting the growth of nearby plants, especially legumes[54].
Strongly resents root disturbance, taking some time to recover after being divided[1].
Peony species are usually self-fertile, though they will also hybridise with other species if these flower nearby at the same time[250].
Plants take 4 - 5 years to flower from seed[200]. They generally breed true from seed[1].
For further Paeonia japonica gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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