93% confidence
Based on 20,000+ analyzed cases
Crown Rot on hosta
What's Happening
Fungal pathogen Sclerotium rolfsii, appearing as white thread-like growth and tiny mustard-seed-like structures at the base.
How to Fix It
- 1
Remove the infected hosta and surrounding soil (sclerotia live for years).
- 2
Do not replant hostas in the same spot unless soil is replaced.
- 3
Use targeted fungicides if caught early.
How to Prevent It
Avoid heavy organic mulches that touch the petioles of the hosta.
Related Problems
Same Problem on Other Plants
Frequently Asked Questions
What causes crown rot on my plant?
Fungal pathogen Sclerotium rolfsii, appearing as white thread-like growth and tiny mustard-seed-like structures at the base.
How do I fix crown rot?
Remove the infected hosta and surrounding soil (sclerotia live for years).. Do not replant hostas in the same spot unless soil is replaced..
How do I prevent crown rot from happening again?
Avoid heavy organic mulches that touch the petioles of the hosta.