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Old 09-24-2012, 07:01 PM
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RigglePLC RigglePLC is online now
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Iron vs weeds

I heard something about this idea from Canada, where many herbicides have been banned for use on lawns.

I was surprised to find some results in my iron treatments to stimulate darker green in grass. Another member asked if it killed dandelions. I discovered that, true, the iron solution killed dandelions. At the very least, it caused their collapse and turned them black.

I used 8 ounces of 15 percent iron as ferrous sulfate per quart, intending to cover about 1000 sqft with the quart.
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Old 09-24-2012, 09:19 PM
Skipster Skipster is offline
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Quote:
Originally Posted by RigglePLC View Post
I heard something about this idea from Canada, where many herbicides have been banned for use on lawns.

I was surprised to find some results in my iron treatments to stimulate darker green in grass. Another member asked if it killed dandelions. I discovered that, true, the iron solution killed dandelions. At the very least, it caused their collapse and turned them black.

I used 8 ounces of 15 percent iron as ferrous sulfate per quart, intending to cover about 1000 sqft with the quart.
Check back in about a week. The chelated Fe product used in Canada (Fiesta) usually only discolors weeds for about a week. Then, you get full re-growth.
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Old 09-25-2012, 02:16 PM
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phasthound phasthound is offline
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We applied Fiesta to dandelions twice in the spring as per label with very little regrowth.
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