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Blueberry bush
in Plants
The leaves on my blueberry bush have been turning brown and also looks like something has been nibbling them. There are no signs of any bugs or eggs on the leaves so not really sure what this could be.
They are planted in a mix of general compost with John Innes added. I have also been adding coffee grounds to the soil to see if that helps with acidity levels.
Both plants are newly bought this year and potted at the start of summer.
Any help would be greatly appreciated. Thank you
They are planted in a mix of general compost with John Innes added. I have also been adding coffee grounds to the soil to see if that helps with acidity levels.
Both plants are newly bought this year and potted at the start of summer.
Any help would be greatly appreciated. Thank you


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It's a mystery to me why people use coffee grounds. It does more harm than good and there is no scientific evidence that it does plants any good. One of the reasons that coffee beans have caffeine is that caffeine suppresses the growth of other nearby plants which allows the coffee plants to thrive. It also suppresses seed germination.
If your tap water is hard, then rainwater is what they really need. They'll never thrive on hard tap water.
During the growing season I feed mine once a month with Miracle Gro Azalea feed which is for acid-lovers.
They also like plenty of water - it's almost impossible to overwater them during their growing season.
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
@Pete.8 I used a specific fruit, tree and shrub compost with added John Innes (by Jamieson Brothers)
In a non-acidic compost they will only have limited access to nutrients so whilst they may not die, they won't grow well, can succumb to disease and berries will be few and far between.
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
I've had these blueberry bushes for the last 3 years. Ericaceous compost and rainwater only. I feed occasionally once the fruits start to appear and have had increasingly bountiful crops each year. I use needles from Christmas trees as a mulch each January.