(Seed grown)
This is a brand new plant for the nursery in 2025. Its native range is coastal areas of South Australia, so it should do just fine in the Bay Area. As the name suggests, there's a similarity to Yarrow... kind of... squinting helps. I think this would make an excellent cut flower but time will tell. The foliage sure looks cool.
 
Flower Color: White
Bloomtime: Year round (apparently)
Height: 1-2 feet
Width: 2-3 feet
Exposure: Sun
Soil Type: Good to Average Drainage
Cold Tolerance: 26-28f
Irrigation requirements: Low