That sounds good. Do I need to add anything to the sawdust before mulching the raspberries? I have mulched my blueberies with sawdust and they seem to like it although I am not sure they have produced 50% more fruit has suggested by John Bond in his book.
I have only given the raspberries blackjack and compost mulches. Per my lottie neighbour my raspberries have been growing in the same place for around 20 years so it will be good to give them a boost although they are still productive. It is a wilderness of canes intermingled with chard, strawberries and couch but my plans for a new fruit garden have been thwarted until I get and prepare another suitable plot.