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Black Walnut Tree

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Growing Black Walnut Trees

 

Walnut seeds won't germinate immediately when planted because they
are in a dormant state, and you must break their dormancy before the
seed can germinate. Both scarification and stratification are
required to break a walnut seed's dormant state, for germination to
occur.
The black walnut's dormancy is caused by the thick, hard seed coat.

This is the first step necessary to break the Black walnut seed's dormancy. A
metal file or coarse sandpaper can be used, but is difficult and
time consuming, unless you have a power sander.

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Breaking or weakening the Black Walnut seed coat is referred to as scarification 

The Black Walnut seed needs to break down in order to grow

Treatment with boiling water also works. Place seeds in water of 170 to 210 degrees F. Make sure it's not boiling! After the water
cools, seeds should continue to soak for 12 to 24 hours. The process
is slow, because you need to use 10-20 times the volume of hot water
as seed.

Whatever scarification method you use, you must be careful not to
damage the embryo inside. Once scarified, seeds will not store well
and should be planted as soon as possible after treatment.

If scarification is done naturally after planting the seed coat may
be broken by microbial action, exposure to alternate freezing and
thawing, or fire. Depending on nature to scarify your seeds may
require leaving them in the ground longer than one year.

The second step in breaking the black walnut seed's dormancy is stratification. This requires being exposed to cool temperatures and moist conditions for several months. Winter weather in the
Northern USA provides the necessary conditions to break dormancy naturally.

You can also break the seed's dormancy by stratification in a
refrigerator. Using a coffee can, plastic jar, cottage cheese
container, or a plastic bag, place the seed in a moist 50:50 mixture
of sand and peat-moss. Punch holes in the lid of the container to
provide air.

Let's take the process from the start: Collect your walnuts
immediately after they fall to the ground - before the squirrels get
them. Remove the husks, then place the nuts in water. Nuts that
float are not viable and should be discarded. The viable nuts will
sink to the bottom.

Scarify your nuts, and plant 1 to 2" deep in the fall or stratify
the nuts in a refrigerator at 34 to 41°F for 90 to 120 days and
plant in the spring. Use the natural soil, or

Black Walnut Trees will fruit for eight years at a time. 

Do not plant other plants within 15 feet of your Black Walnut tree

Grow-Boxes that are
open to the soil beneath the box, because walnuts produce a long taproot.

Prepare the soil with Pre-Plant and Weekly Feed, then after the
seedlings emerge feed 3 times each year. Walnut seedlings grow
fast, and it's recommended they be transplanted into the orchard
within 2 years after germination, unless you have tree-planting
equipment.Container gardening

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Black Walnut books 

Learn more about how to grow Black Walnut trees

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Black Walnut can provide for your children's education.

Observations on black walnut and butternut trees

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Black Walnut 

Do you grow Black Walnut trees for harvest or nuts? Please say hi.

Black Walnut is a very beautiful and expensive wood. What if you could produce the same quality Black Walnut tree in six years instead of ten>?

I started my tree this year following the above outlined process pictures coming in the spring :)

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debnet wrote...

very informative lens...thank you!

ReplyPosted September 14, 2008

Juglans nigra 

Black Walnut is a beautiful wood

One advantage of growing Black Walnut trees is you can harvest them in about six-eight years by using the Mittleider weekly feed applied three times over each growing season.

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Care to take when planting Black Walnut trees 

Becareful to plant your garden away from Black Walnut trees

The Black Walnut secretes a chemical that can kill other plants. Make sure you plant your garden as far away from Black Walnut trees as possible.
Care when planting near Black Walnut trees
You should space your garden as far from Black Walnut where practical.
Tender Loving Care of Black Walnut Trees Increases Profits
1. The branch collar
is between the pencil and the trunk. The branch bark ridge is
the raised area between the limb and trunk. The white line indicates
the proper location of a pruning cut.
2. To properly prune
a branch, cut outside the branch bark ridge and the branch c

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