Canning Celery Published March 17, 2015 by The Kneady Homesteader Canning Celery: Pressure Canner ONLY half pints (yields 1 cups of celery) Processed for 35 minutes at 10lbs of pressure (Michigan) Blanch celery for 3 minutes, add 1/4 tsp canning salt per jar. How I canned my celery: