Troubleshooting
Pyrenean Merendera problems — and how to fix them
Pyrenean Merendera (Merendera montana) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Corm rot in wet winters
Heavy clay soils or poor drainage in winter will cause corms to rot; grow in a raised alpine bed with a deep grit layer, or in a pot moved under cover during prolonged wet spells.
Squirrel and rodent predation
Corms are sometimes dug and eaten by squirrels and mice; protect newly planted corms with a layer of fine wire mesh laid just below the soil surface.
Prevent pyrenean merendera problems before they start
Most pyrenean merendera issues are care-mismatch, not bad luck. Dial in the basics:
Pyrenean Merendera problems — FAQ
Why is my pyrenean merendera corm rot in wet winters?
Heavy clay soils or poor drainage in winter will cause corms to rot; grow in a raised alpine bed with a deep grit layer, or in a pot moved under cover during prolonged wet spells.
Why is my pyrenean merendera squirrel and rodent predation?
Corms are sometimes dug and eaten by squirrels and mice; protect newly planted corms with a layer of fine wire mesh laid just below the soil surface.