picture of "cotton" on pine submitted |
A.
This cotton on the end of the limbs is the natural color of the buds on the
ends of shoots and branches as they expand into new growth.
The white color or cotton as you
call it are the sheaths that enclose the bottom of the new needles as they
expand. The buds first expand and grow longer and wider. Depending on the
health of the tree, this expansion can be fairly short, an inch to an inch and
a half or quite long, perhaps up to 4 inches.
In this stage they are called
"candles" because they resemble a small thin candle at the end of the
branch. Pines are somewhat unique in that all of the needles of the new growth
are contained in this candle. Pine tree candlesbefore they expand
The amount of new growth and how dense the
canopy is can be managed by breaking these candles with your fingers. Do not
cut them or you will damage the needles emerging from the candle.
Pine candle before it expands |
If you want to keep the tree smaller, you
would break about half of the candle off when it emerges. This removes half of
the new growth that can develop and causes more side branching to occur, thus
making the canopy more dense
This is a handy management tool if you are
using these trees for screening or windbreaks. So what I'm saying is not to be
alarmed, this is a normal for this tree.
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