The mature plant is harvested all season which typically stretches up to 90 days. A. Asparagus will grow 7 inches in a day when temperatures reach 90 degrees. Some say you can lie on the ground and watch asparagus grow. The asparagus beds are cut every day, and the length of harvest is generally 70 to 80 days. This is a matter of personal preference.
Some people think that jumbo asparagus is old asparagus and is left in the field to get old or fat.
Swiss and German folks are noted for prizing the jumbo-sized asparagus. The bottom portion of the spear contains moisture that keeps the rest of the spear fresher. It acts in principal like a banana. But, this asparagus does not have to be thrown away. Simply peel it, slice it thinly, and cook separately from the spears.