Grass Roots is a studio album by American pianist Andrew Hill featuring performances recorded in 1968 and released on the Blue Note label. The original album features Hill with trumpeter Lee Morgan, tenor saxophonist Booker Ervin, bassist Ron Carter and drummer Freddie Waits performing five of his originals. The 2000 CD reissue added alternate versions of three of the pieces (and two additional compositions) recorded by a sextet with trumpeter Woody Shaw, tenor saxophonist Frank Mitchell, guitarist Jimmy Ponder, bassist Reggie Workman and drummer Idris Muhammad at an earlier session as bonus tracks.