Groff’s Vegetables The Groff family has been selling its impeccable produce here for more than 70 years – since 1946. Talk about a true Market institution! Wesley Groff brings a plethora of vegetables to Market each week from the plentiful soil of his 10-acre, chemical-free farm. A Groff family specialty is lettuce – with more than 14 varieties from which to choose – so be sure to grab yourself a picture-perfect bunch when you visit!