|I have noticed the past few years that what used to
kill weeds for me, no longer do the job! I thought
|Please contact the manufacturer directly for information about their products and recommended uses. The Preen web site includes some product details at
and it also provides detailed contact information at
In addition, you may find that your local county extension can assist you in identifying the weeds that seem to crop up, and based on knowing that, how best to treat or prevent them.