The chief advantage known to us of
grafting high and getting a black walnut trunk is the hardier bark of
the black walnut.
Walnut Planting.
I am planning to plant walnuts on rather heavy soil. I have been told to
put the nut six inches below the surface, but think that too deep, as
soil is rather heavy.
In a heavy soil we should not plant these nuts more than three inches
below the surface, but should cover the surface with a mulch of rotten
straw to prevent drying out.
Pruning Grafted Walnuts.
Should English walnut trees be pruned? I have along the roadside English
walnuts grafted on the California black, and they have grown to very
large size and the fruit seems to be mostly on the outside of the trees.
English walnuts are not usually pruned much, though it is often
desirable, and of course trees can be improved by removing undesirable
branches and especially where too many branches have started from
grafts, it is desirable that some be removed. They should be cleanly
sawed off and the wound covered with wax or thick paint to prevent the
wood from decaying.
Pruning Walnuts.
When is the best time to remove large limbs from walnut trees?
This work with walnuts or other deciduous fruit trees should be done
late in the winter, about the time the buds are swelling; never mind the
bleeding, it does no harm, and the healing-growth over the wound is more
rapid while the sap is pushing.
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