Azines of formula wherein A is 2-fluoro-phenyl, which is substituted by one to four substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, OH, C 1 -C 6 -alkoxy, C 1 -C 6 -alkylthio, (C 1 -C 6 -alkyl)sulfinyl, (C 1 -C 6 -alkyl)sulfonyl, amino, (C 1 -C 6 -alkyl)amino, di(C 1 -C 6 -alkyl)amino, (C 1 -C 6 -alkyl)carbonyl and (C 1 -C 6 -alkoxy)carbonyl; R 1 H, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, (C 1 -C 6 -alkyl)carbonyl, (C 1 -C 6 -alkoxy)carbonyl, (C 1 -C 6 -alkyl)sulfonyl or phenylsulfonyl, wherein the phenyl is unsubstituted or substituted by one to five substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl and C 1 -C 6 -alkoxy; R 2 H, halogen, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 3 -C 6 -alkynyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl, OH, C 1 -C 6 -alkoxy or C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl; R 3 H, halogen, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl or C 1 -C 6 -alkoxy; R 4 H, halogen, CN, C 1 -C 6 -alkyl or C 1 -C 6 -haloalkyl; or R 3 and R 4 together with the carbon atom to which they are attached form a moiety selected from the group consisting of carbonyl, C 2 -C 6 -alkenyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl and three- to six-membered heterocyclyl, wherein the C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl or and three- to six-membered heterocyclyl is unsubstituted or substituted by one to three substituents selected from halogen, CN, C 1 -C 6 -alkyl and C 1 -C 6 -alkoxy; and R 5 H, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, (C 1 -C 6 -alkyl)carbonyl, (C 1 -C 6 -alkoxy)carbonyl, (C 1 -C 6 -alkyl)sulfonyl or phenylsulfonyl, wherein the phenyl is unsubstituted or substituted by one to five substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl and C 1 -C 6 -alkoxy; including their agriculturally acceptable salts or N-oxides. A is 2-fluoro-phenyl, which is substituted by one to four substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, OH, C 1 -C 6 -alkoxy, C 1 -C 6 -alkylthio, (C 1 -C 6 -alkyl)sulfinyl, (C 1 -C 6 -alkyl)sulfonyl, amino, (C 1 -C 6 -alkyl)amino, di(C 1 -C 6 -alkyl)amino, (C 1 -C 6 -alkyl)carbonyl and (C 1 -C 6 -alkoxy)carbonyl; R 1 H, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, (C 1 -C 6 -alkyl)carbonyl, (C 1 -C 6 -alkoxy)carbonyl, (C 1 -C 6 -alkyl)sulfonyl or phenylsulfonyl, wherein the phenyl is unsubstituted or substituted by one to five substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl and C 1 -C 6 -alkoxy; R 2 H, halogen, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 3 -C 6 -alkynyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl, OH, C 1 -C 6 -alkoxy or C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl; R 3 H, halogen, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl or C 1 -C 6 -alkoxy; R 4 H, halogen, CN, C 1 -C 6 -alkyl or C 1 -C 6 -haloalkyl; or R 3 and R 4 together with the carbon atom to which they are attached form a moiety selected from the group consisting of carbonyl, C 2 -C 6 -alkenyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl and three- to six-membered heterocyclyl, wherein the C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl or and three- to six-membered heterocyclyl is unsubstituted or substituted by one to three substituents selected from halogen, CN, C 1 -C 6 -alkyl and C 1 -C 6 -alkoxy; and R 5 H, CN, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy-C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, (C 1 -C 6 -alkyl)carbonyl, (C 1 -C 6 -alkoxy)carbonyl, (C 1 -C 6 -alkyl)sulfonyl or phenylsulfonyl, wherein the phenyl is unsubstituted or substituted by one to five substituents selected from the group consisting of halogen, CN, NO 2, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl and C 1 -C 6 -alkoxy; including their agriculturally acceptable salts or N-oxides.