Geranium Plants
Q.

My geraniums the stems below the flower head are slitting open and flowers dying

Zone BS16 2TA | Stan cruse added on July 4, 2019 | Answered

The geraniums have been bought from various sources and the problem effects all plants

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Answered on July 5, 2019

If this issue of splitting is also marked with browning stems it could be Bacterial Stem Rot.
https://cdn.shopify.com/s/files/1/0145/8808/4272/files/A2559.pdf
If you don't have any browning spots on the stems and plant; verify the growing conditions.

https://www.gardeningknowhow.com/ornamental/flowers/geranium/geranium-care.htm

On a personal note; I do like to feed my Geraniums with Epsom salt through the summer; light feedings help them retain a good colors and stay strong looking.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/epsom-salt-gardening.htm

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