The most tender and delectable asparagus of the year is finally here!   A cooler spring has finally given way to rising temperatures in the Columbia Basin and harvest is in full swing.   This nutritional powerhouse is a local staple in stores and restaurant menus.   Demand is excellent through May,  so order early, order often, and let your customers enjoy one of  the most edible signs of spring in the Northwest.     Loading:  Sunnyside, Washington   Packs:   *28/1 lb. - Sm., Std., Lg., Jbo.    48 per pallet *11# Loose or 1lb. bunch - Std., Lg., Jbo.    120 per pallet *20/1lb. Consumer