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in Fruit & veg
I heard Bob Flowerdew on Gardeners Question Time last week talking about raspberries. He said that raspberry plants only last 3-4 years and then need replacing. Is this correct? My summer plants have been in 5years and did not crop well last year. I am trying to work out whether it is due to nutrient deficiency or whether the plants are passed their best. Do I dig up? Any advice would be greatly appreciated. Thanks.
Raspberries like strawberries do best in the first 3-4 years.
I replace my raspberries every 4 years.
I'd replant in a different position and feed the spot where the raspberries were with less hungry plants. After a few years they can go back, crop rotation applies equally to fruit as it does to veg.
Others may have different suggestions.
Thanks Dave for your advice. I thought they may be past their best but I do not like wasting anything so do appreciate your advice. Will get digging!
You wouldn't need to buy more though. Dig them up and move them in winter. I've not grown raspberries for many years though. They come quite well from hardwood cuttings too.