Post emergent how long after pre-emergent

Discussion in 'Pesticide & Herbicide Application' started by MNmasterEXTERMINATOR, May 3, 2007.

  1. MNmasterEXTERMINATOR

    MNmasterEXTERMINATOR LawnSite Member
    Posts: 108

    On pre-emergent treatments is it a must that we should wait 30 days before the next herbicide treatment(post emergent)?
     
  2. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,118

    No need to wait --go ahead. Do it at the same time if you want.

    i do not suggest double fertilizer, though.
     
  3. MStine315

    MStine315 LawnSite Senior Member
    Posts: 789

    Same here, fert., pre-m, broadleaf from mid-April til R1 is done, then fert./broadleaf early R2 until the first R1's are done.
     

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