Welch's Concord Grape Jelly. Family farmer owned. America's #1 grape jelly. Every jar starts with one pound of grapes. For delicious, one-of-a-kind taste. With no artificial flavors or colors. Comments or questions Call 1-800-340-6870 weekdays 9 A.M - 4 P.M EST. 2011 Welch's Concord, MA 01742.