I have some rudbeckias growing in my garden which look unhealthy, to say the least. Does any one know what went wrong? They looked like this before the heat wave and I had been watering them regularly. There are also some healthy ones there too, though they probably are a separate plant.
The link below may help you flower, http://www.gardenaction.co.uk/plantfinder/plantfinder_rudbeckia.asp
