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Polypodium cambricum 'Richard Kayse'

12th August 2007

The forms of Polypodium cambricum produce the best growth through the winter. This one has strongly crisped margins to the leaves and makes dense clumps of fresh green fronds.

12th October 2008

24th January 2009

9th December 2011

A famous and beautiful ancient cultivar. Discovered by Richard Kayse in 1668 growing at Dinas Powys in South Wales. It grew on a sheer limestone cliff, and it is still there. Plants in cultivation are divisions of the original plant because it is sterile. Hopefully it will continue to grow in its limestone crevice long after the plastic pot mine grows in has perished.

15th November 2018


  • Rickard, Martin. 'Gardening with Ferns'. David and Charles, 2005.