Saxman wrote in news:ku15np$g2j$1
@news.albasani.net:

On 08/08/2013 23:01, David Hill wrote:

If you have a compost heap then I would layer it in the heap, it will
improve your compost no end.
Otherwise I'd bag it and leave it a few months.


That's good advice, just to kill of all the grass seed.

I don't think that grass seed will rot down very quickly. 10 years? Nettles
10 years? I don't know this as fact. But I read it in this group that some
seeds can lie dormant, even in a compost heap for decades.

Baz