Definition of trenchingCategorized under "General"
Definition as written by mwhit:
Used to provide protection from wind and cold over the winter. Rootball of a shrub (such as a rose) is loosened in the soil, then a trench is dug from the base of the plant out as far as the height of the plant and about one foot deeper that the width of the plant. line the trench with 4" of straw,tip the shrub over into the trench(without totally uprooting it) and sift straw into airspaces and over shrub. You can drive stakes into edges of trench and lace string over shrub to hold it in place. Fill trench with soil and mound soil over shrub to a depth of one foot.This technique is used for some tree-form roses.
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