6 WAYS TO KILL YOUR TREE
By Cass Turnbull
Urban trees live only a fraction of their natural lifespans. A tree
that would live 80 years in the forest is expected to live an average of
20 years in the suburbs, and only seven in an urban setting. The most
common cause of tree death is abuse and neglect from its number one pest,
To prolong the life of your tree, avoid these six most common ways to
kill urban trees.
1. DO NOT FORGET TO WATER
... especially during the first two years and during droughts. Water
deeply; a long, slow trickle from the hose is good.
2. DO NOT TRENCH, COVER UP, OR COMPACT THE SOIL IN THE ROOT ZONE.
A tree's roots are shallower and broader than generally believed. Tree
roots need air and water and empty spaces in the soil.
3. DO NOT LEAVE ON TIP STAKE TIES TO GIRDLE THE TREE.
With staking, less is better. Remove ties as soon as the tree can
stand on its own-one year, for most trees. Leave stakes to protect
from mowers and bumpers for a while longer.
4. DO NOT PLANT A BIG TREE IN A SMALL SPACE.
Find out how tall and wide your tree species gets and give it that
much room.  Never plant tall trees under wires. This dooms
them to mutilation and certain death.
5. DO NOT TOP YOUR TREE OR MAKE REPEATED HEADING CUTS (CUT BRANCH TIPS).
Besides killing the tree, topping or cutting branch tips doesn't
even work to keep it small. Ironically, it has the opposite
effect: it causes rapid and unruly regrowth which is not only
ugly, but significantly weaker than the original limbs.
6. DO NOT WEED-EAT THE BARK OR BASH THE TRUNK WITH THE MOWER.
The most living and vulnerable part of the tree is just under the bark.
Trees die in slow motion, from a series of blows over time. Trees
injured during construction generally give out five to ten years after
the injury. With a little knowledge we can create a kinder, gentler
world for our friends: the trees.
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