|I have raised beds and I can't get the grass to stop growing in them. Last year I dug up all the grass put down Preen, then weed block paper and mulch. Low and behold this long, stubborn grass grew right through everything.
|Ornamec is a very effective, selective grass killer that is safe to use around most shrubs, trees and ground covers. Check their extensive list on the label to be sure your desired plants are considered to be safe. Over The Top by Fertilome and Amaze by Green Light are similar products.