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Raspberry: Old canes not as healthy looking as new canes

7 years ago
last modified: 7 years ago

Every year I have the same problem. The leaves of last year's canes look unhealthy, but the the new canes that are growing this season look perfectly green and healthy. I also added some decent amount of new compost and applied an organic granular fertilizer in spring, but I still have the same problem. It still produces a decent amount of berries. I don't know if floricanes usually look less healthy in general because they have to die the second year, or there's something wrong with the nutrients. I did a apply a low ph rainwater mixed with sulfuric acid, but I don't see any difference.

I've attached a few pictures.

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