what do I do when flowering is over and plant looking a bit sick? do I cut it back or pull out? Loads of seeds came out when I dead-headed so presume they self set themselves. Anyone got any advice please? Many thanks
You can try cutting back a bit and giving it a good feed and water. given that its a good summer, it may well come back and give you a second flush of flowers. If you want to put something in its place then pull up and dispose.