You should not harvest asparagus until the spear is at least 3/4-inch thick. Most newly planted crowns will not produce this thick of spear until at least the second year. Once the asparagus reaches...
Once the asparagus plant is three years old, you can harvest for two solid months.
Yes, but you need to allow the fronds to develop so that it can store strength for the next season.
no
we harvest in the fall