Page 158 - Tài liệu cây cảnh Bonsai4me Bonsai Basics

dormant for the Winter. I have been wiring my deciduous trees here in the UK

(Zone 9) in the Autumn for a number of years and they have suffered no
setbacks, even without frost protection.
· Deciduous trees can be wired in Spring before the leaves open but great
care must be taken that the new leaf or flower buds are not dislodged.
· Deciduous and broadleaf trees can be wired any time through the growing
season but when in leaf it is more difficult to study the structure of the tree and
wiring around the leaves is more difficult. Branches wired at this time;
particularly new shoots, will heal very quickly. On fast growing species, keep
checking every few days that the wire is not beginning to dig in.
· The second best time to wire deciduous trees is at midsummer after
defoliating the tree. Again with the branches bare, wiring is clear and easy; the
branches should take to their new positions before the end of Autumn.
· Coniferous species can be wired at any time from Spring through to
Autumn. Coniferous species will continue to heal over Winter so can still be
wired in Autumn. As the wire on Coniferous species needs to be on the branches
for a longer period of time; often over Winter, frost protection is needed if

temperatures drop below -10°C.
· Coniferous species need wiring annually and need at least one complete
wiring of the entire tree for a successful design.
· Coniferous species are best wired (particularly if heavy bends are to be
made) from late midsummer through to early Autumn. By late midsummer new
growth will start to need wiring and will heal faster than at most other times of
the year. Many species such as Pines will have also made most of their annual
increase in branch thickness by August, wiring after this time will allow the wire
to stay on the tree until the following year without cutting in and scarring the
bark.
· Coniferous species can be wired in the Spring and this growth will set into
position relatively quickly but will need reapplying as the years new growth
appears. Any wire still on the tree by midsummer should be checked regularly to

avoid wire scarring; particularly on Pines that swell suddenly around this time.
· Tropical species can be wired at virtually any time of the year as they are
protected from frost and have little or no dormant period. The wire can cut in
fast due to the typically vigorous growth of tropical species and must be checked
very often.