Column
Transplanting Trees
By John Fulton
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[October 07, 2014]
Transplanting Trees - Today I’ll
attempt to give you a brief outline of transplanting trees. The best
time is during dormancy, meaning deciduous trees have lost their
leaves. Or, get as close to the dormancy period as you can.
Evergreens are never really dormant, so early spring or fall (by the
end of October to allow for root growth) are the best times as well
for them.
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The first step is to make sure the tree you have selected is
adapted to the site you are wanting to plant in. Drainage, soil
type, sun, and space are prime considerations. If you have a
sump pump that discharges in a particular area, you don’t want a
tree there that doesn’t like wet conditions. Also, make sure you
have adequate room for the mature size of the tree you are
planting. One of the most common landscaping mistakes is not
allowing enough space. This includes height, since power lines
and trees don’t get along well together.
There are several different ways trees are sold. They can be
bare root, potted in the field, container grown, balled and
burlapped, or tree spade dug. Each method has strengths and
weaknesses, and a lot of the reason a tree is sold a particular
way is due to size. There are some general steps that do apply
to all types of trees.
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First, you dig a hole. The hole should be at least a foot wider
than the size of the root system or container size, with many
recommending a hole twice the size of the container. Of course,
the direct tree spade planted trees won’t have this step. Rough
up the sides of the hole as with a shovel, and make sure the top
of the hole is at least as wide as the bottom. Don’t dig the
hole too deep, as filling the hole will then lead to planting
too deep due to settling. Many balled and burlap trees are
actually set with about a third of the ball above ground level
after planting. Soil amendments are OK in small quantities,
especially in heavy clay or sandy soils. Organic material and
good topsoil are the best amendments. Peat moss can cause
problems in clay soils, since it can attract water and make a
wet hole for your tree.
Most trees done by homeowners are container grown. To plant
these types of trees, you first remove the container at the
planting site. If the roots are growing all around the container
soil, loosen the roots by rubbing or make a few vertical cuts on
the sides to cut the mass of roots and make two cuts on the
bottom that form an “x.” Plant at least two inches higher than
the soil level to allow for settling.
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Other types of trees have some slight variations at planting
time, with bare root being the most different. Bare root
plantings need to have air pockets tamped to begin with, the
roots straightened and spread in the hole, then the tree needs
to be gently raised and lowered as soil is added to work out air
pockets.
After-planting care is very important. Usually five to seven
gallons of water is needed each week. Do it once a week. Mulch
with a three to six inch layer of mulch such as wood chips, and
go out from the trunk for three to six feet. Keep the mulch away
from direct contact with the trunk, and don’t use plastic under
the mulch as it can suffocate roots and hold in too much water.
A little fertilizer is OK. Too much, especially in the fall, is
bad. Lawn fertility rates are fine, and phosphorus and potassium
can be added at any time.
Hopefully these tips will help you as you plant trees this fall.
I’ll cover winter preparation in a few weeks.
[By JOHN FULTON, COUNTY EXTENSION
DIRECTOR SERVING LOGAN, MENARD, AND SANGAMON COUNTIES]
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