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Why are my viburnum berries turning black?

Our Advice:

Blackened berries in viburnums can be caused by several factors. One possibility is that the berries are simply overripe and have started to rot. Another possible cause is a fungal infection, such as anthracnose or botrytis blight. These infections can cause the berries to turn black and become mushy. To prevent blackened berries, ensure that your plant is getting adequate water and sunlight, and prune any diseased or damaged branches.

Gardening Expert: Steve Bradley

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