Marigold Root Rot & Wilting
Stem & Roots problem · common pattern reported by gardeners · verify locally
What you'll see
- Sudden wilting
- Stems dark at base
- Plants collapse
Most common causes
- Overwatering
- Fusarium or pythium in wet soil
- Poor drainage
How to fix it
- Stop watering until soil dries
- Remove dead plants
- Improve drainage
Prevention: Well-drained beds/pots Water only when dry Rotate annual beds
More Marigold problems
Grow Marigold with confidence
Open the Marigold growing guide → · Planting calendar · Pest & problem diagnoser
ZoneFig content reflects widely published extension-service and gardening guidance. Symptoms and causes are common patterns, not a diagnosis for any individual plant — verify locally and treat conservatively.