Troubleshooting
Cantabrian Draba problems — and how to fix them
Cantabrian Draba (Draba dedeana) 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.
Crown rot in wet winters
The principal risk in the UK; even well-drained soil can become too wet during prolonged rainy winters — cover with a pane of glass or move to an alpine house from October to March.
Seed dormancy making propagation slow
Seeds require a prolonged cold, moist period (cold stratification) to break dormancy; sow in autumn and leave in an unheated frame over winter; germination may take until the following spring.
Prevent cantabrian draba problems before they start
Most cantabrian draba issues are care-mismatch, not bad luck. Dial in the basics:
Cantabrian Draba problems — FAQ
Why is my cantabrian draba crown rot in wet winters?
The principal risk in the UK; even well-drained soil can become too wet during prolonged rainy winters — cover with a pane of glass or move to an alpine house from October to March.
Why is my cantabrian draba seed dormancy making propagation slow?
Seeds require a prolonged cold, moist period (cold stratification) to break dormancy; sow in autumn and leave in an unheated frame over winter; germination may take until the following spring.