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should i spray broadlef weeds in dry conditions

Discussion in 'Pesticide & Herbicide Application' started by guzzihunter, Sep 25, 2012.

  1. guzzihunter

    guzzihunter LawnSite Member
    Posts: 7

    hello, i have never posted a thread before so please bear with me. i have a small lawn care business northeast south dakota and would like to start my fall spraying but am wondering if it could turn into a liability issue. the temperatures are cool now (highs in the upper sixties and lows in the lower forties) and we have had a good frost ( 25 degrees) . the problem is that we have basicaly had no rain in the past 6 weeks and less than two inches in the past three months. I would appreciate any advise.
  2. FdLLawnMan

    FdLLawnMan LawnSite Bronze Member
    Posts: 1,182

    How long does it take you to do a round? You can spray weeds in your climate until the soil temp is 35. You may want to wait until you get some rain if you have time.
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  3. DLCS

    DLCS LawnSite Platinum Member
    Posts: 4,378

    I would, we could have snow by the end of October. What would it hurt?
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    CHARLES CUE LawnSite Silver Member
    Posts: 2,093

    If the grass is not stressed i would go for it. around here we have had very little rain but with the shorter days and cooler temps the grass is green and growing.

    Charles Cue
  5. guzzihunter

    guzzihunter LawnSite Member
    Posts: 7

    waiting for rain would be best but they are forecasting no rain thru to the middle of October who knows after that. moisture could turn to snow that late. most of the grass other than irrigated lawns are beyond stressed and went dormant. i have sprayed in dry falls before and had good luck after the frost, but never this dry. could i actually damage dormant grass? the broadleaf weeds are still green.
  6. Mark Oomkes

    Mark Oomkes LawnSite Fanatic
    Posts: 12,352

    I feel your pain. I was hoping the weather pattern would have shifted by now as well.

    Still not sure what to do. I'm not as worried about damaging the turf as just getting crappy control as the weeds are just about dormant again.
  7. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,215

    You can't really hurt the grass...its brown already. Not optimum conditions, but I would go ahead...assuming it will rain in a few days. Then as the weeds attempt to grow, they will be killed. And the fertilizer would begin to be absorbed by the grass...you did plan to fertilize didn't you? With luck the grass will begin to recover. Give it some help.

    Has anyone noticed? The long summer dormancy has caused some plants and weeds to come out of dormancy as if there had been a winter instead of a hot summer. Dandelions are blooming in some areas here, also oxalis.
  8. DLCS

    DLCS LawnSite Platinum Member
    Posts: 4,378

    yes, I noticed the dandelions blooming on some lawns.
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  9. guzzihunter

    guzzihunter LawnSite Member
    Posts: 7

    dandelions blooming here too. not planning to put fertilizer on yet unless it is irrigated. there is no rain in the forecast for the next two weeks. this part of the country is very dry, just the other day there were three wild fires started in fields that were being harvested. burned hundreds of acres.

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