Task: Summarization
Input (English): The active ingredient in this sytemic is imidacloprid.  It is adbsorbed by the rose plant into the leaves, but not the flowers I learned recently online.  I have been using this stuff for years and obseved this, but put it down to my not giving the plant enough granules.  Unless you SPRAY the flowers with another product containing the insecticide, the Japanese beetles devour the rose flowers and leave th leaves alone.  see link [...]
Output (English): Good for the leaves not for the Flowers