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Tree Project.
Weigela.
Weigelas are small Deciduous trees, or shrubs that can grow up to 5m,
although most Garden varieties are much smaller due to recent breeding
that has created many more compact varieties. They are normally thought
of as having bright red trumpet like flowers, but types are available
with white, yellow, pink and crimson flowers. There are nine, or ten
separate species of Weigelas that have their origins in eastern Asia
centred around Japan. Only two other native species have been found in
Korea and Russia.
Most native colonies of Weigelas have largely disappeared now and
original varieties are only to be found in collections. It is thought
that they were introduced to the West in the mid 1800’s and, through
much breeding and Hybridisation that comes easily with them, there are
over 130 Cultivars still being grown.
Weigelas are generally easy to grow and quite versatile being tolerant
of a broad range of growing conditions, although they do like being in
rich soil situated either in sun or partial shade. Planting should not
be done in either very dry, or on the other hand, waterlogged spots.
However, they will do well in clay and chalk soils, and are fairly
tolerant of poor soils generally. The varieties with yellow leaves do
need more shade though as they can burn in full sun. However, avoid full
shade for any Weigelas as this may well prevent flowering. Otherwise,
Weigelas suffer from few problems with the exception of the fact that
older plants are susceptible to honey fungus and they can get Eelworm on
Buds and Leaves.
As Weigelas flower on old wood, in late spring to early summer, pruning
should be done after flowering and removing too much old wood will
prevent flowering the following year. When pruning is done, Cuttings can
be taken from the fresh growth as this roots the best.
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