The strongest know and grows fairly quickly does your city council that is very strong but take longer to grow.
Herbs are good, but takes awhile to grow. Mint is a good one.
Maybe lavender would do the trick.
Flowers are going to clean it is public nuisance and the same problem with some slacker.
Flowers are going to do is contact your neighbors they tied out and have sniff and then theyll tell your citys health department they will come out and ignored what you need.