This is a sterile hybrid by Charles Valin (of Thompson & Morgan Seeds) who crossed the biennial Digitalis purpurea with the more tender s...Read Morehorter lived D. canariensis. It has become justifiably popular.
This will bloom from summer through fall if faded flower stalks are promptly removed.
Where this hybrid is overwintered indoors, it needs a cold period of six weeks or more at 38 to 45 degrees to ensure flowers for the coming season.
The RHS has accepted the reclassification of Isoplexis as Digitalis. The accepted name for the cross formerly referred to as "Digiplexis" is Digitalis x valinii, though some merchants continue to use "Digiplexis". "Digiplexis" and "Illumination" are now proprietary trademarks.
This is a sterile hybrid by Charles Valin (of Thompson & Morgan Seeds) who crossed the biennial Digitalis purpurea with the more tender s...Read More
This outstanding hybrid is the result of breeding between Digitalis (Foxglove) and a Digitalis relative from the Canary Islands, Isoplexis.