Ask a Question forum: Japanese Blueberry

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Feb 14, 2017 10:56 AM CST
Hi, The older leaves are turning yellow --not red on my Japanese Blueberry--otherwise the tree is doing fine--Is this a fertilizer, soil problem??
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Name: Sue
Ontario, Canada (Zone 4a)
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Feb 15, 2017 9:48 AM CST
Welcome! Looks like Japanese blueberry is Elaeocarpus decipiens so not actually a blueberry. According to a page I found on care it likes more or less neutral soil pH whereas a "true" blueberry would need acidic soil.

It's normal for older leaves on plants to yellow and die so there may not be a problem. Does it get sufficient moisture, apparently it doesn't like to get too dry? If not natural ageing but a nutritional issue, the usual reason for older leaves to turn yellow is nitrogen deficiency. I've never grown the plant, maybe someone else will be along who has some experience with it. If you're concerned it has a problem a close-up of the affected leaves and a rough idea of your location in the world would help.

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