safe weed products for princess 77
pigeonboy69 – posted 10 January 2009 10:05
I planted Princess 77 and have weeds in a few places. Mostly Crabrass and Nutsedge. I was looking for anyone with experience with 77 to recommend granular products such as Vigoro, Sta-Green or Scotts for pre emergence weed solutions.
I tried Bayer Advanced (liquid) in a few very small spots at different strenghts. This was easy and didn’t require large applications. I know about what ratio of Bayer to one gallon kills weeds and starts to harm Princess 77. This is only good for post emergence. For anyone that may want to know: For Bermuda it is recommended at 3.5oz per gallon as the maximum; 4oz had no effect on the Princess 77 and 4.5oz did start to harm it a little but came back out after about 2 weeks. All these ratios were done within an hour start to finish so real comparisions could be made. Crabgrass was killed at the lowest ratio of 1.5oz per gallon. It took higher strenghts for the Nudsedge but it may have needed further applications.
Also a section of 1000 square feet was sprayed at 2.5oz per gallon. Strings were put down to keep me from large overlap areas. Where I did slightly overlap at the strings it did stunt the princess 77 for a while but it came back out.
Any help about granular products would be appreciated.
Alex_in_FL – posted 21 March 2009 09:50
I am unaware of any granular products that will treat nutsedge. You can use baking soda to kill crabgrass.
Your best bet it to apply a granular pre-emergent now.
Sledgehammer (manage) should help control the nutsedge.
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