The Malden Chamber of Commerce is seeking up to 25 crafters and specialty food makers to participate in a new farmers market at City Hall Plaza. The market opens on June 19 and will be open every Tuesday through Sept. 18 from 3 to 6 p.m. The market will not be open on July 3. Three farms will sell produce, including Simeone’s Riverside Farm of Methuen. Crafters and specialty food vendors interested in taking part should contact the chamber at 781-322-4500 or visit maldenchamber.org.