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Defoliation

Bonsai Deciduous treesDendrology

Defoliation should be carried out after the leaves of a deciduous bonsai have hardened off in late spring. At this time the leaves may be stripped or the leaves may be cut, leaving the leaf stems (petioles) in place.

 


Defoliation involves cutting all or a significant part of the leaves of a tree during the summer. In doing so you force the tree to grow new leaves, leading to a reduction in the size of the leaves and an increase in ramification.
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Defoliation of a Trident maple (or any other tree) as a simple matter of course is NOT good horticulture, nor is it good bonsai.

Defoliation can be practised at midsummer on healthy trees only. Weaker red leaved varieties should not be defoliated.

Defoliation of A Fig Tree
Defoliation is the complete or partial removal of the leaves of a bonsai tree. The technique is used to reduce the leaf size thus making the replacement leaves smaller and in better scale to the tree's size.

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Defoliation usually results in more and smaller leaves. However, the old petioles often do not fall off the plant as (or after) the new leaves appear and mature.

Defoliation - Removing all of a tree's leaves to promote smaller leaf growth.
Dormancy - Periods of slowed or suspended growth activity.
Dwarf - A genetic mutation that produces small trees.

Defoliation - the practice of removing all leaves to encourage new shoots and potentially smaller leaves.
Dieback - the death of the tips of branches, or whole branches, due to extreme weather or possibly one of several diseases.

13. Defoliation Removal of leaves to encourage new shoots and potentially smaller leaves.
15. Dormant Period of the year when little or no growth occurs - usually Autumn and Winter months.

Leaf pruning or defoliation is also common for some deciduous trees and bushes, such as a ficus. Carried out in mid-summer, you simply remove half of the leaves with a pair of fine scissors. Leave the stems intact.

Bonsai Glossary: defoliation - Leaf pruning, whereby some or all of the leaves are removed to encourage new shoots and smaller leaves on deciduous trees.

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.

Leaf Pruning Leaf pruning (also known as defoliation) in bonsai is used for several deciduous and tropical plants to reduce leaf size, remove unsightly leaves and speed-up growth by causing two seasons' growth in one.

In bonsai, defoliation decreases leaf size and increases ramification and overall number of leaves which together fulfil these requirements of the 'wild tree' schema.

We use this principle in defoliation, although some time is usually allowed to restock food in the roots first. Multiple defoliation will result in ever decreasing leaf size.

The insider secrets of Form Pruning, Maintenance Pruning, Plucking, Defoliation, "Jin and Shari" (which makes even a very young trees look like a classic "old" bonsai) and more! Plus you'll quickly decide which is right for you.

Some 36 species are fire-tolerant, having thick bark and/or a woody base or lignotuber. These banksias take heavy pruning or defoliation quite well.
The fire-sensitive banksias are thin-barked and suitable only with lighter pruning.

See also: Bonsai, Tree, Pruning, Growing, Trunk