Fungus On Lawn, I Think.

[midagetrolop]

I have like white/ silvery grass in the middle of my lawn and it's not growing very well. Some years ago I had a cedrus glauca tree there but the wind blew it over and we had to remove it. Every year I get little toadstools there, could this be something to do with it? What can I use to make it better?

[bookbinder]

The toadstool growth may be caused by some organic debris that is buried beneath your lawn. That debris might be remnants of your fallen tree. The only real cure for toadstools on a lawn is to dig down and remove the debris. Alternatively, try applying a solution of ferrous sulphate (half an ounce in a gallon of water per square yard) or a dilute solution of washing-up liquid.
Source: The Lawn Expert. Dr. D.G. Hessayon. Transworld Publishers. London. 2000.

[johnny37]

its probably honey fungus below the surface which feeds on rotting roots of dead trees. THE toadstools tend to grow in circles which gives its name of fairy rings. It can be quite unsightly. My garden was part of an old orchard! I was advised by the RHS to dig it out to a depth of one spade, refill with uncontaminated soil and reseed. A few toadstools continued to appear but they eventually disappeared after a couple of seasons. Good luck.

[murraymints]

like johnny said..dig down about 12 inches over the area..replace with fresh soil and reseed surface....it is a residual problem left behind from tree roots..had similar here where I felled a cypress ..but problem went after I had taken the above steps...

[Chipchopper]

I'm thinking about your description "white silvery grass" and I'm leaning towards 'Fusarium' a type of lawn fungi, which may not be related to the former Cedrus tree.
Is a photo possible ?

There are anti fungal treatments for this otherwise returfing the afected area may be an option.