United States · Pottery / Ceramics

Pennsylvania German Redware Pottery (Sgraffito & Slipware)

Redware

Red earthenware pottery decorated using two related techniques — sgraffito, in which a design is scratched through a white slip coating to reveal the red clay beneath, and slip-trailing, in which liquid slip is poured freehand through a quilled trailer directly onto the surface — practiced with remarkable stylistic consistency by Pennsylvania German potters for roughly 120 years without any formal school or shared training system.

Risk level: Vulnerable · Not Applicable — the United States is not a State Party to the UNESCO 2003 Convention for the Safeguarding of Intangible Cultural Heritage; no US technique can be formally ICH-inscribed regardless of significance.

Alternate Names
Sgraffito ware; Pennsylvania German slipware
Geographic Center
Southeastern Pennsylvania, particularly Lehigh, Berks, and Lancaster counties
Community / Ethnic Group
Pennsylvania Dutch (Pennsylvania German)
Estimated Origin
Widely produced by Pennsylvania German potters from the 18th through 19th centuries, with some potters trained directly in Europe before immigrating and others learning the trade from traveling journeymen who moved between potteries across the region's counties
Cultural Function
Redware served everyday utilitarian household functions historically, while fancier sgraffito and slipware pieces served as decorative and commemorative objects, often marking significant family occasions; contemporary practitioners note the style's remarkable consistency over nearly a century and a quarter despite the complete absence of any formal training institution, attributing this to strong community-transmitted stylistic standards
Primary Materials
Red earthenware clay, historically locally mined and processed
Primary Tools
A rolling pin for flattening clay, convex or concave molds for shaping plates and bowls, a sgraffito scratching tool (often a simple sharp point), a slip trailer (a container fitted with a quill or straw for controlled liquid slip application), a coggle wheel for decorative edge patterning
Process Overview
Shaping red earthenware clay over a mold, coating the surface with white slip, and decorating either by scratching through the slip with a sharp tool (sgraffito) to reveal the red clay beneath, or by pouring liquid slip freehand through a quilled trailer (slip-trailing) to build a raised-line design, before firing
Traditional Applications
Everyday household pottery, decorative and commemorative fancy pieces
Contemporary Applications
Collector plates, platters, bowls, ornaments, continued decorative and commemorative production
Notable Practitioners
Denise Wilz, a Master Artisan with the Pennsylvania Guild of Craftsmen working in a mid-1700s stone house in Lehigh County, listed in Early American Life magazine's Directory of Traditional American Crafts and featured in Veranda magazine; Tammy Zettlemoyer of Zettlemoyer Pottery, Hamburg, Pennsylvania, self-taught in the Pennsylvania German redware style since 2000 and a juried member of the Pennsylvania Guild of Craftsmen; Ned Foltz, a recognized contemporary redware maker working near Reinholds, Pennsylvania
Key References
Landis Valley Village & Farm Museum, 'Redware Ornament Workshop'; Zettlemoyer Pottery, artist statement; WilzPotteryRedware, technique and process documentation
Verification Status
Desk-Researched

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