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Asparagus is a perennial member of the lily family. The root (or crown) is planted in an 8 inch deep trench. After it is established, the trench is filled with soil to make the field level.
No asparagus is harvested for the first 2 years.
Then, for the next two years, it is harvested for two weeks in spring when spears appear.
In subsequent years we pick from early spring until the end of June. Picking must always stop by the end of June to allow the plant to grow into a fern so the crowns can store nutrients for winter.
Asparagus is not commonly grown in central Alberta so we have no major disease or insect problems. Early in the spring we rototill the entire patch shallowly right over the crowns to control weeds before and during picking.
Very minimal weed control is used after we have finished picking for the season. No chemicals ever touch the asparagus you eat!