Gaura split /parting due to weather

squirral87k4-WvGwT

Hello,
The weather was windy and rainy around a week ago. As a result, my gaura plant now has a big parting (sorry don’t know what the technical name is) in the middle - see photo.

It hasn’t recovered - keeps flopping back  when I pull it up… does this indicate the soil is too heavy or is this just a normal response to the weather?

On a separate note, am I meant to “pinch out” gaura? 

Thanks 

Lizzie27

They are tall and floppy enough to need some support, either tie them to canes or use twiggy sticks around them. They might need more water as well as yours are quite close to the stonework.

squirral87k4-WvGwT

Thanks… will try staking with twigs