Mary Washington Asparagus Vegetable Plants Viking Crowns Roots Bare Root 50 Ea Viking KB-3 Mary Washington Asparagus Plants Productive for 15 or more years. Asparagus will keep for 1 to 2 weeks with little loss of quality. Asparagus is very perishable and should be harvested in the morning when air temperatures are cool. 2 yr old roots Quantity 50. Order will ship when order is placed!