Troubleshooting
Rosemary problems — and how to fix them
Rosemary (Salvia rosmarinus) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Browning from the inside
Winter wet — rosemary rots in cold soggy soil.
Powdery mildew
Stagnant humid air; improve ventilation and thin growth.
Yellow tips
Iron deficiency in alkaline pots or under-watering after a long drought.
Woody bare base
Natural ageing; replace plants every 5-7 years.
Prevent rosemary problems before they start
Most rosemary issues are care-mismatch, not bad luck. Dial in the basics:
Rosemary problems — FAQ
Why is my rosemary browning from the inside?
Winter wet — rosemary rots in cold soggy soil.
Why is my rosemary powdery mildew?
Stagnant humid air; improve ventilation and thin growth.
Why is my rosemary yellow tips?
Iron deficiency in alkaline pots or under-watering after a long drought.
Why is my rosemary woody bare base?
Natural ageing; replace plants every 5-7 years.