Old 01-29-2014, 05:32 PM
BPH BPH is offline
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Join Date: Feb 2010
Location: uk
Posts: 6
A little help from you experts!

Hi guys, I had my garden turfed four years ago and these light patches have started to appear.

Can anybody identify them and suggest a remedy or method to get rid of them and bring my nice green grass back?

I also have one dark patch, which almost look water logged! The photos of this follow the light patch photos.

The only maintennance the lawn has is treatment by Green Thumb four or five times per year.

Any suggestions you can make would be very helpful to me!






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Old 01-30-2014, 10:45 AM
RigglePLC's Avatar
RigglePLC RigglePLC is online now
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Join Date: Jul 2006
Location: Grand Rapids MI
Posts: 10,985
I think you mean you had squares of turf brought in and laid on the bare soil. Around here we call it "sod".
Good photos. I suspect it is a light colored undesirable grass.
Probably Poa annua--annual bluegrass. Bad news, because it is difficult to eliminate. However it is still grass and will respond to fertilizer and good care. Thousands of golf courses have a high percentage of annual bluegrass. It could have come from the turf supplier.
The dark area--not so sure--could be black algae resulting from excessively wet conditions, as you suspect.
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Old 01-30-2014, 11:24 AM
BPH BPH is offline
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Join Date: Feb 2010
Location: uk
Posts: 6
Hello - thanks for the reply.

The grass came in rolls and was laid on the bare soil - apologies for using the word "turfed" incorrectly, if I have!

Green Thumb came this morning and diagnosed the light green patches as moss - due to our very mild winter so far.

The recommended scarification, aeration and a moss treatment at £105 - I want to learn how to do this myself though.

I will google bluegrass and black algae and read up on them - thank you.
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