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Container Blueberry Bushes

Q.will caffeine in coffee grounds have any effect on my container blueberries ?

Zone 9b | laelaps added on December 8, 2018 | Answered

I’ve been told to add coffee grounds to the soil of my blueberries,but lately I’ve been hearing the caffeine in the grounds could effect the plants.

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Answered on December 9, 2018

Most of the caffeine migrates to the liquid when it is brewed. However, coffee grounds should be composted before using as a soil amendment regardless of caffeine content. There are many myths surrounding the use of coffee grounds in the garden. The following article is part of a collaboration of soil scientists trying to replace the latest gardening fads with facts. Check out the links at the bottom for more information. https://www.gardenmyths.com/coffee-grounds-in-garden/

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