Moss in the sun

1

The 2 out buildings I inspected had moss growing along the gable edges about a foot in on both sides of the roof one building heated and the other not. One a newer roof and the other was at its end. The ridge ends had the most and it tapered to the eaves. What is so strange about it is there are no trees to shade the buildings. Open space all around. What would cause this? This is close to lake Michigan (half mile)

Thanks John

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2

bio 101
possibly lichens?

3

Food and Moisture = Growth .
A Zink strip helps to control this .

4

You can also try this.

5

That is not moss. It is a lichen. Totally different.

Excellent article.

6

Thanks everyone learned something new today and every day that I go to this forum. Thanks again, John

7

Thanks for the article