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Trident Maple
(Acer Buergerianum) Bonsai Tree Care Sheet
Hardy/Easy to keep and train/Deciduous/ Suitable For
Beginners

Introduction.
Trident Maples (Acer Buergerianum) are related to other
Japanese Maples and are native to Japan, China and Korea as are
their relatives. Trident Maples are very popular with Bonsai enthusiasts, however
they are the hardest of the Maples to locate as they
are not a native species and so can not be collected from
the wild and they are not stocked in garden centers or
tree nursery's, they can usually only be found at specialized Bonsai outlets,
this fact makes them highly sought after. The Trident maple
differs from it's relatives in the fact that it has three
lobed leaves whereas most other Maples have five or seven lobed
leaves. The leaves of Trident Maples are just as beautiful
as other Maples, turning beautiful shades of orange in autumn. Trident Maples make excellent Bonsai
trees, as they are fast growers and are easy to keep and train, they are a good
choice for a beginner outdoor Bonsai tree.
Where To Keep
Them/Watering.
Trident Maples are a hardy species and are classed
as an outdoor Bonsai tree subject, however their roots are prone
to frost damage due to their high water content so protecting the
roots in winter by placing your Bonsai tree in
a greenhouse and mulching the pot is
a good idea, using free draining Bonsai soil
will also help as this type of soil will hold less water thus wont freeze
as much as a peat based compost. Placing some winter fleece over
your Bonsai tree is also a good idea, as this also
helps to prevent die back of finer branches and twigs. Trident Maple Bonsai
trees enjoy being kept in full sun all summer in the UK, this will result in
your Trident Maple Bonsai tree having better autumn colors than if it were kept in a shady
spot, however in extremely hot sun it might become
necessary move your Bonsai tree to a semi shaded position for a while to
make sure that the leaves don't scorch. Trident Maple Bonsai trees like
plenty of water especially in summer when in active growth, make sure
you check the Bonsai soil every day and water when necessary,
this may mean watering your Bonsai tree once sometimes twice a day in
the hottest summer months. In winter continue to check the Bonsai soil
and water if it becomes necessary, however waterings in winter will be
few and far between, due to the fact it is cooler and your Bonsai tree
wont be in active growth and will not have any leaves to
support.
Repotting/Wiring/Feeding/And Pruning.
You will need to re-pot
your Trident Maple Bonsai tree every 1-2 years, but
only if the roots become pot bound, the best time
to do this is in early spring, when the new
buds are beginning to sprout. If your Bonsai tree has a good
root system you should be able to gently lift it out
of the Bonsai pot in spring (you may need to snip the
Wire underneath the Bonsai pot if the Bonsai tree is wired in) and take a look at the roots
to see if they are pot bound, if so you
should repot your Bonsai tree, if the roots seem ok
then leave re-potting till the following year. when it does become necessary to repot your Trident Maple
Bonsai, you should use a good quality free draining
Bonsai soil. Akadama Bonsai soil is an excellent choice
and can be used on it's own or if you require
a more moisture retentive Bonsai soil you could add
some fine potting bark to it, Moler Bonsai soil is another good choice, again you
could use it on it's own or add some
potting bark, you can also add pumice granules to
your soil mix as this aids drainage but also holds moisture for your Bonsai tree.
It is important not to fertilize your Bonsai tree for around four
weeks after re-potting as doing so can burn the new roots
that your Bonsai tree will be developing, after this period carry on
fertilizing as usual. You should fertilize your Bonsai tree from spring onwards with
a balanced fertilizer such as
Chempak, you will usually fertilize your Bonsai tree once a week or once
a fought night but feeding guidelines will differ from brand to brand so it is best
to refer to the instructions on the particular brand you decide
to use. It is best to carry out wiring on your Trident Maple Bonsai in spring as the
leaves wont be in the way at this time though you need to be
careful not to dislodge any buds that
are forming, it is not recommended to wire your Trident Maple Bonsai tree in winter as doing so can
cause the branches to unexpectedly snap as the branches tend to be
more brittle in winter. Trident Maples are
very fast growers, don't leave the wires on your Bonsai
tree for more than 6 months or they will likely cut
in to the bark of your Bonsai tree causing ugly scaring,
keep checking on them and remove them as soon as necessary. Prune
your Trident Maple Bonsai tree back to shape after
the new growth has extended to 2-5 leaf pairs, then trim back to one or
two leaves, continue to do this throughout the growing season to keep your
Bonsai tree in shape, also remove growth with long internodes (distance
between leaves) this will result in more compact growth,
any hard pruning that needs to be carried out is best done in
mid summer when wounds will heal better and
quicker, or in autumn as soon as possible after
the leaves have fallen, it is not recommended to
carry out hard pruning on Maple Bonsai trees
in spring as they tend to bleed a lot which
will weaken your Bonsai tree. Trident Maples are particularly suitable for leaf pruning (defoliation) in
mid summer to promote smaller leaves, denser foliage and
better autumn color, defoliation should only be carried out on
healthy Bonsai trees, you should not do this in the same
year you re-pot your Bonsai tree, it is also not
recommended to do this two years in a row.
The best way to ensure you keep your Bonsai
tree healthy is to do as much research as possible(Internet and
or books) on the particular species you own and also Bonsai in
general as this will give you a broader understanding of the subject
and will give you a far better chance of success with your Bonsai
tree.
I hope this care sheet has been of
interest and helpful to you, if so you might want to read the other
care sheets on this site. It is up to you to use the
information given here responsibly and Bargain Bonsai holds no
responsibility as to how you use it.
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