Quote:
Originally Posted by Woody38
I had not heard of the ferrous sulfate for yard moss and will have to try that. How is it applied.
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I use a drop spreader to apply ferrous sulfate, aka iron sulfate, to the lawn, the same as when applying weed n feed.
For roof moss I carry the powder in a bucket and apply two horizontal lines of zinc sulfate on each side of the roof, the upper line hugging the peak of the roof, the other about half way down; try to time the application so that a light rain follows it and dissolves the product so that it trickles down the roof and contacts and is absorbed by the moss. Avoid applying it on a windy day or before a moderate to heavy rain.