Epimedium flavum ex MD0635 (previously offered as E. davidii)

Barrenwort, Bishop's hat


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Second generation seedlings from our collection in Sichuan in 2006. We were thrilled to find this Epimedium - just 5 plants with a few ripe seed - growing on a shallow layer of moss and humus on a damp rock face along a narrow dirt road. Interestingly, two of the plants had black seed capsules and the other three were green. Yellow flowers from April to mid summer and then again in fall in our fertile and moist shade garden. We had this listed last year as Epimedium davidii which it closely resembles and thought this but a variation in flower until the keen eyes of Ben Stormes noticed that this was indeed the rare Epimedium flavum found only on the Erlang Shan which is exactly where this was found. This area, like many once remote areas in China, showed indications of being poised to be developed for tourism and there is little doubt that the plants we found are no longer.


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 5a (-20 °F)
  • Zone 5b (-15 °F)
  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)
  • Zone 9 (25 °F)

Sun Exposure

  • Part Shade - Part Sun
  • Shade

Water Needs

  • Moist
  • Moderate

Bloom Time

  • Spring
  • Summer
  • Deer Resistant Plants