Exceptionally crisp. Vegan. Gluten-free. Tree nut free. Fat free. Low calorie. Low sodium. Non-GMO Project verified. nongmoproject.org. Northwest fresh. Occasionally, you may notice a grey flecking on the asparagus. This is a perfectly edible pure protein which occurs naturally during the pickling process. Facebook. Twitter. Instagram. Pinterest. info@. Our Classic Asparagus are grown and locally processed in Washington State's famed Yakima Valley. Picked at their peak of perfection during a short growing season, Tillen Farms Classic Asparagus are uniquely processed to maintain their exceptional crispiness and fresh from the field flavor. Hand-picked and hand-packed.