Calendula plant named ‘20123-57D’

Abstract

A new cultivar of Calendula plant, ‘20123-57D’, that is characterized by its compact plant habit with strong stems and thick leaves, its double inflorescences with double ray florets that are light yellow in color on the upper surface and yellow (greyed-purple when mature) and suffused with greyed red on the lower surface, its disk florets that are greyed-purple in color and present on about 50% of the inflorescences its long flowering time; blooming for 9 months from spring into winter in Noordwijkerhout, The Netherlands, its very high tolerance to powdery mildew, its very high tolerance to heat and cold, withstanding temperatures below −20° C. in the winter, and its ability to be readily propagated by stem cuttings.

It is claimed: 
     
       1. A new and distinct variety of  Calendula  plant named ‘20123-57D’ as described and illustrated herein.