Tip of the Week
Think ahead and schedule the removal of undesirable trees now.  Trees you may be
considering for removal are; dead, diseased, unwanted junk trees and trees that are
overcrowding better ones.  Tree removal costs less in the winter.  It is easier for
Arborcare due to the fact that the leaves are gone and it is the slower part of the year.
Junk trees you may want to eliminate are mulberry, cherry, black locust, hedge apple
and water maple.  It is best to perform removals from November till the first of May.
Remove limbs broken in the ice and wind storms during the winter to
insure none are missed and for the trees' added protection.
SUMMER WATERING
PETIOLE BORER
ARE MAPLE LEAVES FALLING IN LARGE NUMBERS?
TREE FERTILIZATION
Fall is the best time to apply slow release tree food.  After a season of growing above
the ground, winter is the season for the tree to grow below the ground.  
Photosynthesis in the leaf manufactures sugar and starch for storage in the trunk
and roots for next seasons growth.  That is how the leaves come out in the spring.
During the time that the leaves change color in the fall, to the time that the ground
freezes to a depth of about 12 inches, roots grow.  As long as the ground is still
unfrozen near the frost line, roots are pushing towards new food collection areas.
This is why Arborcare chooses fall to apply a mixture of fertilizer and special spores
to help the new roots become more efficient.    High nitrogen slow release fertilizer is
best since the phosphorus and potassium are plentiful in the soil already.
Spring Pruning
Q; My sycamore tree is
shedding its bark, is that a
problem and what can I do
about it?
A; This is a natural
occurrence after the trunk
experiences a growth spurt.
Shedding of loose bark
indicates a healthy and  
vigorously growing tree.  
We want our trees to grow
vigorously to fend off
insects and disease.  Do
nothing but pick up the bark.
John L. Detherage
502-241-6108
E-Mail Contact
From February till bud break is by far the absolute best time for pruning.  Just in time
for the sap to rise and after the dangers of freeze damage have passed.  This timing
allows for quick repair of the wounded site where a limb has been removed.  The
callus growth ring begins during the spring growth cycle, reducing the time for
foreign biologic vectors to attack and damage your trees.  You should avoid pruning
just after the leaves have unfolded.  The tissues are still tender and do not harden off
till June.  Excessive sap flow may also be seen.
Spring is literally the best time to perform almost every tree maintenance operation.  
Pruning you may consider are; to raise the limb level over your roof, driveway or
lawn.   To remove dead, diseased or structurally incompatible limbs.  
In pin oak trees timing is more important.  In order to prevent infections of bacterial
leaf scorch, do not prune limbs between bud break and June.  Prune before or
afterwards.
FEAR NOT.  THIS ONE HAS AN EASY ANSWER.  DO NOTHING.  THE PETIOLE
BORER IS A PESKY BUG THAT CHEWS THROUGH THE STEM OF THE LEAF
(PETIOLE) UNTIL IT WEAKENS AND FALLS OFF.  THE NUMBERS MAY SEEM
GREAT BUT USUALLY VERY LITTLE HARM IS DONE.  THERE IS NO NEED FOR
CONTROL AND NO NEED TO PANIC.  JUST GET OUT THE RAKE AND START
CLEANING UP.  A TREE WOULD HAVE TO LOSE MORE THAN 30 % OF ITS
LEAVES TO MAKE A SIGNIFICANT DIFFERENCE.    
Summer is here and it is time to think about watering our trees.  When trees go more than 3 weeks
without rain, supplemental watering may be needed.  Weather conditions play a role in
determining when to apply additional water. Three weeks of 80 degree temperatures are not as
drastic as 95 degree temps for the same time period.

When the ground is hard and cracking, it is time.  You need to place your soaker hoses 10 to 20
feet beyond the drip line of the tree canopy.  Let it run for 3 days.  Yes you read right, 3 days.  If you
don't totally soak the ground deeply, then the grass gets most of the water and more importantly
you train the tree roots to be too shallow.  This sets up the tree for damage in the winter.  A long
duration soaking also reduces the need for subsequent short term waterings.  Move the system to
the next tree for 3 more days.  Nature wants to give trees one inch of rain per week to optimize
plant health.  In summer we need to help out old mother nature.
SCHEDULE WINTER REMOVALS
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EASTERN WHITE PINE TREES ARE IN DANGER OF
SEVERE DAMAGE BY A COMMONLY USED LAWN
HERBICIDE.  A DuPont CHEMICAL CALLED "IMPRELIS"
HAS BEEN LINKED TO A CONDITION IN WHITE PINES
MIMICKING PINE WEEVIL BORE DAMAGE.   LAWN
MAINTENANCE COMPANIES BEGAN USING IMPRELIS IN
THE SPRING OF 2011.  DAMAGE TO THE TOPS AND TIPS
CAN HAVE A DEFORMED, TWISTING AND STUNTED
APPEARANCE WITH BROWNING AT THE TIPS.  THESE ARE
THE SAME SYMPTOMS FOR PINE WEEVIL BORE .
THE CHEMICAL ALSO HARMS SPRUCE AND OTHER
EVERGREENS.

CALL ARBORCARE IF YOU SUSPECT THIS DAMAGE.
EMERGENCY ACTION MESSAGE