Troubleshooting
Nepenthes inermis problems — and how to fix them
Nepenthes inermis (Nepenthes inermis) 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.
Funnel uppers not forming
The signature uppers only appear on mature climbing stems in high humidity. Provide a support, very high humidity and patience.
Crispy, browning leaves
Low humidity or hard water. Raise humidity into the 80s and water only with pure water.
Heat stress and limp growth
Warm nights weaken this cool-growing highlander. Keep nights below about 15°C with good airflow.
Root rot
Dense or waterlogged media suffocates the fine roots. Use a very open sphagnum-perlite mix and avoid standing water.
Prevent nepenthes inermis problems before they start
Most nepenthes inermis issues are care-mismatch, not bad luck. Dial in the basics:
Looking for nepenthes inermis in general rather than its problems? Read the full nepenthes inermis care guide — light, water, soil and feeding.
Nepenthes inermis problems — FAQ
Why is my nepenthes inermis funnel uppers not forming?
The signature uppers only appear on mature climbing stems in high humidity. Provide a support, very high humidity and patience.
Why is my nepenthes inermis crispy, browning leaves?
Low humidity or hard water. Raise humidity into the 80s and water only with pure water.
Why is my nepenthes inermis heat stress and limp growth?
Warm nights weaken this cool-growing highlander. Keep nights below about 15°C with good airflow.
Why is my nepenthes inermis root rot?
Dense or waterlogged media suffocates the fine roots. Use a very open sphagnum-perlite mix and avoid standing water.