non-fruiting raspberries

I have several raspberry plants which gave me a great crop last year. This year they are very tall (about 8 feet) and have no flowers or berries showing at all. I have always pruned them back to the ground in the early spring. I need to know what I am doing wrong or what I do need to do? Thanks.

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1 Comment To "non-fruiting raspberries"

#1 Comment By Nikki On 07/14/2012 @ 9:39 am

It is probably getting too much nitrogen and too little phosphorus. Add some bone meal to increase phosphorus. This article will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm ^[1]

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