Xtremehorticulture

Can I Prune My Shoestring Acacia Now?

Q. I planted a shoestring last Spring, and it is doing well.
It has five lower limbs off of the main trunk and one of them is all most as
long as the tree is tall. I was wondering if I can cut them off this Fall? They
are so low they will be removed eventually any way. If I remove them will it
help the main trunk to grow faster? Will it hurt the tree to cut them off now?
A. There are several things you can do about this. You will
not hurt the tree to remove a few limbs (particularly lower ones) now. When I went to school and studied arboriculture, my professor would say two things I will never forget; the best time to prune is when the pruners are sharp AND if you know how to prune, you can prune using only your thumbnail. I have always strived in learning how to prune, what he meant by that. As time passed, I slowly learned.
 
In the desert we have to be a bit more careful in pruning because our environment is so harsh but the principles he taught me are still valid.

            Remove tree limbs
very close to the trunk, making the cut with a sharp, clean and preferably
sterilized pruning shears. Make the cut leaving a tiny bump (called the shoulder)
intact on the trunk. Don’t cut flush to the tree trunk.

The shoulder of a limb attached to the trunk and where to make the cut in relation to the shoulder.
            Let me
explain better where to cut. If you look at the limb, where it attaches to the
trunk, you will see that it flare (become wider) at its base, at a point where it attaches to
the trunk. Cut with the smallest cut possible but as close to this flair as you
can. Do not leave a stub. Leaving this flair intact on the tree trunk is NOT leaving a stub.This type of cut, not cutting into the flair, will heal much faster than if you cut or remove the flair. You do not
need pruning paint.

            If limbs
are too long, yes, go ahead and cut them back now. Not a problem. You just do
not want to make major cuts that change the basic structure of the tree now
which opens it up to sunlight that might damage the limbs and trunk through
sunburn.

            The fewer
side branches or limbs you have (within reason), the faster the tree will grow
in height. So remove smaller, weaker limbs or branches at the trunk. You can do
that now as well.

 

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