If the leaves of a geranium have turned red, the plant has most likely experienced severe stress.
Anastasia Kovrizhnykh, an expert of the online publication Belnovosti, an agronomist and landscape designer, talks about the main reasons for the reddening of geranium leaves.
Why do geranium leaves turn red?
Most often, geranium leaves turn red when it is under severe stress.
The causes of stress can be different: hypothermia, irregular watering, moving to a new location.
Red leaves may also indicate a lack of nutrients in the soil, in particular magnesium and phosphorus.
During the period of intensive growth and flowering, it is recommended to feed geranium every two weeks.