I decided to use fallen leaves as a mulch this year in the raw state. It never occurred to me to segragate them so I may end up with a peculiar mixture all things considered. I tried the bin bag method last year but I have not yet examined the results.
Some of them I have stacked up to compost them in a coupe of "Daleks" together with other vegetable waste which may help them to break down faster. It perhaps is not the best way since tree leaves are supposed to be composted separately to make leaf mould and probably the decomposing leaves on the soil will absorb some of the Nitrogen from the soil, but at least it helps suppress the weeds so I suppose you can't have it all ways!
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Some of them I have stacked up to compost them in a coupe of "Daleks" together with other vegetable waste which may help them to break down faster. It perhaps is not the best way since tree leaves are supposed to be composted separately to make leaf mould and probably the decomposing leaves on the soil will absorb some of the Nitrogen from the soil, but at least it helps suppress the weeds so I suppose you can't have it all ways!