blueberry Bush help

8 years ago

I just got this blue jay and it’s been giving me trouble for the past 3 weeks. Then flowers turned brown and fell off and the blueberries look like they’re suffering and now I’m finding brown spots on the leaves and stems. Is this and aphid thing or a fungus of some kind? I have been actively trying to lower the ph with acid fertilizer from burpees but mostly using coffee grounds because the ph level when I bought it was almost at an 8. Help please!

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Comments (3)

Sarah BK
8 years ago
I'm not sure about the brown on the leaves...But, in my experience with our blueberries, once the flowers have been pollinated they do dry up and fall off. It takes awhile for the berries to start to fill out and appear.
Are these in containers or in the ground?
Nichollette Victoria
Original Author
8 years ago
They are in containers with a lot of drainage but I notice they seem to keep the water really well and we’ve been getting a good amount of rain in the New York area, but then I saw the browning of the leaves. I’m worried that if it’s not sun burn then it’s a pest or something
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gardengal48 (PNW Z8/9)
8 years ago
Coffee grounds will not lower the pH - they are very close to neutral - it is the liquid coffee that is acidic not the grounds!! But don't water with the coffee, either!! And you want to avoid over-fertilizing blueberries - they do not appreciate it and most particularly if it is a nitrate based fert.

You DO need to get the soil pH down and soon!! A pH of 8 is far too high for these plants. I'd repot ASAP in a soil mix for acid lovers. And irrigate with acidified water - you can add table vinegar to your watering can at a rate of 1 cup vinegar to 1 gallon of water.