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Planting Tips
It takes some forethought to put a tree to work. Here are some things to consider:
The Right Tree for the Right Place
Choose a planting location
Consider whether a tree in the chosen location will shade
your home or air conditioning unit, or serve as a buffer for winter winds.
Make sure the tree will not block your view or interfere with water or
sewer mains, telephone or cable wires, or gas or electric lines as it
matures.
Allow generous room for growth
Ensure that the tree will have plenty of room to grow -- both
downward and outward into the ground and upward and outward into the air above.
Locate a tree away from houses or other structures by at least half of its estimated
mature height. For example, allow 25 feet on all sides of a tree that will grow
to 50 feet. Be sure to space large trees 50 feet apart, medium trees 35 feet
apart, and small trees 20 feet apart. Leave 30 feet of clearance between a
medium to large shade tree and overhead utility lines.
Evaluate planting area conditions
Determine whether the chosen location receives shade, dappled
shade, part shade or full sun. Evaluate soil type and moisture levels.
Select a tree that will flourish in your chosen planting spot
Soil Types
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Soil Testing
Don’t guess about something as important as your soil. Call
the Dallas County Agricultural Extension Service to learn more.
(214) 904-3053 or the Extension Service in your county.
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The Dallas metropolitan area has three major
types of soils:
- Blackland Prairie -
Deep, alkaline,
clay-like, drains slowly.
- Escarpment -Shallow, alkaline, rocky,
drains well.
- Sandy Loam -
A mixture of sand and clay,
deep, acidic,
drains well.
Be sure to check other soil conditions that will affect
the future growth and success of your trees such as low fertility, compaction
and pollution contamination.
Nursery Selection
Look for the following when purchasing a tree:
- Select a tree with a straight, single leader.
- Avoid damaged bark and broken or damaged limbs.
- If the tree is dormant, scratch the bark on a twig to make sure it is moist and green inside.
- Make sure the root ball is moist and the roots are not exposed or
circling.
- The root ball should be 10 inches in width for each inch in trunk
diameter.
- The soil in the root ball should be consistent with the soil of
the planting area if at all possible.
How do tree roots grow?
Some think that a tree’s roots grow like the
diagram on the left. In reality, a tree’s roots spread closer to the surface
like the tree on the right.
Kind of changes your preconceived ideas on how trees should be watered,
fertilized and transplanted.
Copyright ©2000-06 Trinity Blacklands Urban
Forestry Council
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