Name: Susan Virginia (Zone 8a) God is the only thing that matters.
Could it be crown rot? You seem to have small divisions around the edge of the plant so I think you could dig it up and divide the healthy ones.
Consider the lilies of the field, how they grow; they toil not, neither do they spin: And yet I say unto you, That even Solomon in all his glory was not arrayed like one of these. Mat.6:28-29
