@mel_dub1: That white fuzzy layer on your potting soil is usually saprophytic fungus, it feeds on decaying organic matter, not your living roots. It’s not root rot. But it is a moisture signal. If the top of your soil is staying damp long enough for fungus to grow, the soil deeper down may not be drying efficiently either. And roots need oxygen. Constantly wet soil is what increases root rot risk, not the surface fungus itself. Yes, cinnamon is technically antifungal. I’ve used it. In my experience? It doesn’t solve the problem long term. If the environment stays the same, the fungus comes right back. What actually works: • Increase airflow • Let the top layer dry fully • Space plants out • Improve light • Bottom water if needed Surface mold isn’t the real problem. Moisture balance is. Save this so you don’t panic next time you see it.

Melissa🪴 | Greenhouse Tips

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Wednesday 04 March 2026 14:38:06 GMT