Troubleshooting
Wild Thyme problems — and how to fix them
Wild Thyme (Thymus polytrichus) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Crown rot and die-back in wet winters
The leading cause of loss — standing water around the crown in winter causes fungal rot; plant on a slope, in raised beds, or add a gravel mulch around the crown to shed water.
Woody, bare-centred mats in old plants
Plants become woody and die back in the centre after 3–5 years; trim lightly after flowering each summer and replace or divide every few years to maintain vigorous, compact growth.
Prevent wild thyme problems before they start
Most wild thyme issues are care-mismatch, not bad luck. Dial in the basics:
Wild Thyme problems — FAQ
Why is my wild thyme crown rot and die-back in wet winters?
The leading cause of loss — standing water around the crown in winter causes fungal rot; plant on a slope, in raised beds, or add a gravel mulch around the crown to shed water.
Why is my wild thyme woody, bare-centred mats in old plants?
Plants become woody and die back in the centre after 3–5 years; trim lightly after flowering each summer and replace or divide every few years to maintain vigorous, compact growth.