Why have my geranium leaves turned bright red? (have geranium red)

My geraniums overwintered in an unheated conservatory, have turned bright
red. Is this rust?

Shirley (Essex UK)

It is too cold in your conservatory without the heat. Geraniums
frequently turn bright red when they are exposed to cold temperatures.

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1 31st August 09:37 shirley hill External User Posts: 1	Why have my geranium leaves turned bright red? (have geranium red) My geraniums overwintered in an unheated conservatory, have turned bright red. Is this rust? Shirley (Essex UK)

2 31st August 09:37 marley1372 External User Posts: 1	Why have my geranium leaves turned bright red? (have geranium red) It is too cold in your conservatory without the heat. Geraniums frequently turn bright red when they are exposed to cold temperatures.