I transplanted these catmint plants 3 weeks ago. The transplanted ones have brown weak bases and yellowing leaves. You can see the comparison to the one that was not transplanted. They began to look like that almost immediately and I thought it was transplant shock but they don't appear to be recovering. I may have been overzealous in watering the first few days. Soil always feels moist despite infrequent rains. Do you suspect root rot? Should I pull them or continue to give them a chance? Thanks.