December 9
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Plant Species of the genus Paulownia

Information about this genus
Name: Paulownia
Cultivation: CULTIVATION: Paulownias do best in a moderately fertile and free-draining soil with adequate summer water. Protection from wind is important, especially in the early stages when the large leaves are easily damaged. Although quite hardy, dormant flower buds, which are carried on the bare branches through winter, can be damaged by late frosts. Young trees are sometimes pruned back to 2 or 3 basal buds in order to induce the vigorous growth of a single trunk, otherwise pruning is restricted to the removal of spent inflorescences, but this may be impractical after a few years. Propagation is from seed, which should be collected from the woody capsules before it is dispersed in autumn, or from root cuttings.
Description: This is a genus of about 6 species in the figwort family, native to China and Taiwan. The genus was named after Anna Paulowna, daughter of Tzar Paul I of Russia, hence the common names royal paulownia and princess tree. Outside China they are often marketed under the name powton, which is probably a corruption of the Chinese name paotang. All are deciduous trees with handsome leaves that in some species are very large in the juvenile stage, and large panicles of flowers, similar to foxgloves in shape, in spring. Paulownias have been cultivated in China for more than 3,000 years, both for their strong light timber, which is useful for making musical instruments, and for their attractive flowers; the bark, wood, leaves, flowers and fruit all have medicinal uses. They are characterized by their extremely rapid growth rate.

Specie Vernacular Zone
Paulownia fargesii 6-10
Paulownia fortunei 6-10
Paulownia kawakamii 6-9
tomentosa 5-10

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