The title complex, [PdCl(2)(C(21)H(26)N(2))(C(18)H(15)P)], shows slightly distorted square-planar coordination around the Pd(II) metal centre. The Pd-C bond distance between the N-heterocyclic ligand and the metal atom is 2.028 (5) A. The dihedral angle between the two trimethylphenyl ring planes is 36.9 (2) degrees.