If you are looking for a fast growing ornamental shade tree then Paulownia tomentosa cultivars such as ‘Sapphire Dragon’ might be the answer.
In three years it can reach around 5-6m in height and with masses of flower spikes in spring it does put on a spectacular display and yes the flowers are a lavendar purple colour, trumpet shaped and attractive, and the foliage is large and luxuriant.
Being deciduous it can be used as a shade giving tree for the hotter months while still allowing the light in during the cooler months.
Paulownia Tree Uses
Used primarily as a timber tree in China P. tomentosa ‘Sapphire Dragon’ grows well in a humus rich moist soil. It does handle dry periods, however growth will be slower during these dry spells.
These are a large tree with a deep tap root, probably best not planted to close to buildings as the branches can be a little brittle. Protection from strong winds is also beneficial.
If you wish to keep Paulownia tomentosa as an ornamental, with lots of flowers each year without it becoming to tall or ‘leggy’ then it can be pruned heavily. If you are pruning for flowers, then prune just after the flowering has finished.
Summary
Paulownia fortunii and P. tomentosa are a fast growing deciduous tree used for both landscaping and timber production. Paulownia tomentosa or ‘Royal Paulownia’, Empress Tree, Sapphire Dragon, Princess Tree or Foxglove Tree will grow to approximatley 10m in Australia.
WHOLESALE PAULOWNIA NURSERIES
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Wholesale nursery with a wide range of bare root semi advanced trees, deciduous ornamental trees, fruit tree stocks and potted products.