UNCORKED (Schafer/Sacks 2002)
The falls are yellow, overlaid with blue and have large, round deep yellow signals. The standards are paler blue over yellow as are the styles which also have yellow tips. Flowers open and fade in a range of tones, depending on weather, usually the blue brightens as it ages. Plant height 65 cm. Fine new sort, unusual color combination.
XANTHOSPURIA
Flowers deep yellow to golden yellow. Wild plant coming from Turkey. Only other two wild species of the Spuria group of irises have yellow flowers - I. spuria subsp. halophila and I. crocea. Plant height 80-100 cm, frost resistant in Czech Republic.