I agree with JerryL. Asparagus should produce for 15 years or more. It prefers a slightly acidic soil. (6.2 to 6.7) Before you plant you need to kill all the weeds in the bed.
don't soak the roots prior to planting. Place the roots in a trench or furrow abut 10 inches deep with each plant 12 to 15 inches apart. Be sure the buds on each crown are right side up. Rows can be 3 to 4 feet apart. Cover the roots and crown with 2 to 3 inches of soil. Water. After the fern like tops begin to develop, the trench can be gradually filled in so that by fall the trench is level or slightly higher. Fertilize yearly. Works best if you use a high nitrogen fertilizer in early spring the 2nd and 3rd year. (20-10-5 or 25-3-3) at a rate of 8 to 10 pounds per 100 feet of row. After the 3rd year a regular fertilizer can be used (10-10-10)at a rate of 5 to 7 pounds per 100 foot row in early spring and the same in early July after the last cutting. If you want any info on harvesting, insects and diseases, let us know.
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