Mulch is the most common recommendation for controlling weeds in iris beds. No more than 2 inches to avoid disease problems. But there are herbicides, if you want to use them. We would noto would normally send you to the coop extension service page (and we will) but we found that the University of Georgia service has the information clearly arranged; see here: http://extension.uga.edu/publications/detail.cfm?number=C867-8
To contact the cooperative extension service nearest you for more or, possibly, other information, click here and choose your state: http://www.almanac.com/content/cooperative-extension-services
Mulch is the most common recommendation for controlling weeds in iris beds. No more than 2 inches to avoid disease problems. But there are herbicides, if you want to use them. We would noto would normally send you to the coop extension service page (and we will) but we found that the University of Georgia service has the information clearly arranged; see here: http://extension.uga.edu/publications/detail.cfm?number=C867-8
To contact the cooperative extension service nearest you for more or, possibly, other information, click here and choose your state: http://www.almanac.com/content/cooperative-extension-services