Pink Root on Onions
Stem & Roots problem · common pattern reported by gardeners · verify locally
What you'll see
- Roots turn pink then rot
- Plants stunt
- Bulbs fail to size
Most common causes
- Pink root fungus in warm soil
- Repeated onion cropping
How to fix it
- Pull affected plants
- Rotate onions 5+ years
Prevention: Long crop rotation Resistant varieties Improve drainage
More Onion problems
Grow Onion with confidence
Open the Onion 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.