Chrysogonum virginianum ground cover
my green-and-gold very perky this spring but now rotting at roots and runners--black, white and slimy. Is there anything I can do at this stage? it's done this before but come back. this recent binge seems especially bad. thanks for any advice.
This may be Southern blight. See this website page for help: http://extension.umd.edu/hgic/southern-blight-flowersgroundcovers