Bocking 4 vs Bocking 14 Comfrey Sterility
Question from: Alex
Posted on: January 29, 2013

I’d like to know whether Bocking 4 comfrey is sterile, just like Bocking 14.

Also, I’m considering planting both for separate purposes - Bocking 4 for chickens and Bocking 14 for compost, and would like to know if they’ll cross-pollinate and set viable seed if I plant them too close to each other.

Both of these varieties have proven to be completely sterile in our gardens. They can only be propagated by cuttings of roots or in spring - of shoots.

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