I brought my potted thyme and rosemary in above the sink and watered them like my houseplants: three weeks later, when I lifted the stems, I saw what had happened at the base
Bringing potted thyme and rosemary indoors seemed simple until three weeks of ‘normal’ watering revealed blackened, mushy stem bases and slimy roots. The problem isn’t the herbs—it’s treating Mediterranean plants like tropical houseplants. Learn what’s actually happening underground and how to fix it.