Asparagus is a member of the Lily family and is related to onions and garlic. The asparagus spears grow from a crown that is planted about a foot deep in sandy soils. The spears
are usually not harvested until the 3rd or 4th year, to allow the crown to develop a strong root system. The plants will then produce spears for about 15 years. Under ideal conditions, an asparagus spear can grow 10" in a 24-hour period. Each crown will send spears up for about 6-7 weeks during the spring and early summer. How often spears may be picked depends on the temperature. Early in the season, spears may be picked every 4 days or so, and later as the average temperature warms up, the may have to be picked every day!
are usually not harvested until the 3rd or 4th year, to allow the crown to develop a strong root system. The plants will then produce spears for about 15 years. Under ideal conditions, an asparagus spear can grow 10" in a 24-hour period. Each crown will send spears up for about 6-7 weeks during the spring and early summer. How often spears may be picked depends on the temperature. Early in the season, spears may be picked every 4 days or so, and later as the average temperature warms up, the may have to be picked every day! 
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