Exhibit 16.1

June 23, 2023

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read Item 4.01 of Form 8-K of Seneca Foods Corporation dated June 23, 2023, and agree with the statements concerning our firm contained therein. We have no basis to agree or disagree with other statements of the registrant contained therein.

Very truly yours,

/s/ Plante Moran P.C.  

Southfield, Michigan