Epimedium pinnatum ssp colchicum Thunderbolt Western Europe although they will eventually mature

although they will eventually mature at 6' tall x 5' wide

the late Hamilton Traub

Cast iron plants grow well in both moist and dry soils as long as the drainage is good

tapering leaves give a unique cascading appearance to the clump

we refer to plants like this as "big honkers"

Epimedium pinnatum ssp colchicum Thunderbolt Western Europe although they will eventually matureThis 1973 collection from Soviet Georgia by the US National Arboretum's Skip March was later named by Darrell Probst. In spring, the leaves of Epimedium 'Thunderbolt' emerge olive green with a cinnamon border, and later at the onset of cold weather, the amazing deer resistant, evergreen foliage darkens to charcoal black with contrasting green veins which form a "thunderbolt" pattern. Epimedium pinnatum 'Thunderbolt' spreads by rhizomes to form a 3'