personal expense (the cost of personal or family living). budget items; operating cost; operating expense; overhead (the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes).
The safest time to prune pine trees is during the dormant period in late winter to early spring. This allows pine trees to recover from pruning wounds as warm spring weather hits.
The general rule of thumb for pruning fruit trees is to do it once the danger of winter damage has passed, but before trees have broken dormancy, sap begins to flow, and buds begin to plump. In Calgary, mid to late March is usually a good time to start pruning.