Pruning is necessary to maintain (or refine growth to obtain) the
right shape of a bonsai and encourage new growth. Below you will find
some helpful tips about pruning your bonsai tree. You can also use
the directory on the right to buy bonsai trees and supplies or to
find other articles relating to the art of bonsai.
Some plants naturally respond well to pruning, regardless of how
intense, while other plants can find it hard to recover, especially
when pruned at the wrong time of the year.
To prune your bonsai tree correctly you must find out the type of
plant your bonsai is and research when the best times are to prune
old and new season growth. Generally, new growth is pruned during
the growing season to maintain the shape of the bonsai, whilst pruning
of hard wood (old season growth) is done in mid-autumn.
One of the main forms of pruning for bonsai trees, especially evergreen
coniferous bonsai such as junipers and cedars is 'finger pruning'.
This involves pinching back new growth which does not come within
the general shape of the bonsai or is at the top of the bonsai - helping
to encourage bushy foliage and a more tree-like looking bonsai. To
do this, take the growth between your thumb and forefinger whilst
holding the branch with your other hand and remove with a twisting
movement. This is better than trimming the growth with scissors, this
leaves an unnatural look and leaves the foliage an unsightly brown.
For deciduous bonsai trees such as maples, the chinese elm and cotoneaster,
scissor tip pruning is best. When trimming outward or 'overenthusiastic'
growth, trim shoots back to just after the next series of leaves,
but don't cut the foliage as such.
Leaf pruning (also known as defoliation) in bonsai is used for several
deciduous and tropical plants such as ficus or maples to reduce leaf
size, remove unsightly leaves and speed-up growth by causing two seasons'
growth in one. For deciduous trees such as maples it also means that
their autumn country is brighter. This is done in mid-summer, by cutting
60-90% of the leaves off the bonsai tree, only leaving a few to ensure
that the tree keeps its energy. Remove leaves with fine scissors,
cutting them from directly behind the leaf. In the next few weeks
make sure that you keep the plant in a hospitable position and climate
and supply it adequate water. Remember however, that this form of
pruning is only applicable to certain types of bonsai trees.