Osteospermum, African Daisy, Cape Daisy 'Whirligig'

I have been desperately looking for seeds of osteospermum-whirligig.
This is a plant I had in my garden when I was living in Sout...Read Moreh Africa. I love it and have been looking for seeds since I came back without succès, so far.
Would you know by chance where seeds can be found?
Thanks in advance for your response.

Osteospermums are widely sold here in Nor.Cal., as drought-resistant evergreen ever-blooming sub-shrubs. They really don't like a lot of ...Read Morewater and subsist happily in my garden on what drains off from nearby thirstier plants. Oddly enough, the distinctive and lovely "pinched" petals disappeared when I planted it in the garden, but has started to reappear in some of the newer blooms. They don't live long, but are an excellent plant in the middle-height garden, forming a nice 3x3' plant.