Troubleshooting
Wall Germander problems — and how to fix them
Wall Germander (Teucrium chamaedrys) 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.
Root rot from waterlogging
The leading cause of plant death; stems blacken at the base and the plant collapses rapidly. Plant only in sharply drained soil and avoid any irrigation during wet winters.
Leggy growth after flowering
Plants become woody and open-centred if not trimmed; clip back by one-third immediately after flowering in late summer to maintain a compact, bushy habit.
Downy mildew in humid conditions
White fungal growth on undersides of leaves in damp seasons; improve drainage and air circulation; remove affected growth promptly.
Prevent wall germander problems before they start
Most wall germander issues are care-mismatch, not bad luck. Dial in the basics:
Wall Germander problems — FAQ
Why is my wall germander root rot from waterlogging?
The leading cause of plant death; stems blacken at the base and the plant collapses rapidly. Plant only in sharply drained soil and avoid any irrigation during wet winters.
Why is my wall germander leggy growth after flowering?
Plants become woody and open-centred if not trimmed; clip back by one-third immediately after flowering in late summer to maintain a compact, bushy habit.
Why is my wall germander downy mildew in humid conditions?
White fungal growth on undersides of leaves in damp seasons; improve drainage and air circulation; remove affected growth promptly.