Red Stems

i have been growing a plant outside but bring it in at night but now i have seen that some of the stems are going red can some one tell me why this is happening thanks

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Originally Posted by reggie1

i have been growing a plant outside but bring it in at night but now i have seen that some of the stems are going red can some one tell me why this is happening thanks

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I also wondered what that meant, my fan leave stems are purple. Some strains have red / purple color naturally, but this can also be a nute defficiency =/

It's normal, nothing to worry about. Usually comes from cooler temperatures. Can vary by strain. Unlikely to be nute deficiency.

thanks for that