It takes about 6 weeks to remove entirely the whole of the first and succeeding flushes, going round the estate once a week.
In the third and fourth flushes only one large leaf, and after that - say during October, November and part of December - no soft leaf growth is left that can be harvested in good order.
During the season of yield the flushes are tore.
Then he added for emphasis, "That's where Philadelphia flushes its toilets."
Flushes on the acidic Barden and Blubberhouses moors are home to bog pimpernel and bog pondweed.
