There are certainly different colours within the genus Sisyrinchium with yellow and curiously blue being prevalent. There are cream ones too and a form called 'Quaint and Queer' with attractive bronze-salmon flowers.

Not of S. californicum, Teddygirl, but S. angustifolium is blue and I have a similar one in white.

Thanks i've had mine for years they always suprise me when they pop up, last year they got to around 10 " inches tall, i've nopretty yellow flowers left on them at the moment, My grandchildren use to call them Nanny's baby daffs, (look close to a daffodil) in a childs eyes,

There is a more frost hardy form, S. c. 'Yellowstone, but the flowers appear to be the same color as the species.

I just love these little beauties and am always looking for new ones. I have quaint and queer as well as several blue/purple and a white. The yellow ones self-seed rather too freely, but I like to keep just a few.

S. 'Aunt May' has variegated yellow and green striped leaves, though the flowers are the usual yellow.