Painters have taken the original Flower Thread from Dansk Blomstergarn as their base and overdyed it to produce a unique range of Flower Thread.
This Thread is 1 ply matte cotton strand. It is slightly twisted and is a perfect contrast shiny threads. It is also perfect for many other embroidery techniques.
Use it as a topstitching or bobbin thread in your sewing machine, as well as for quilting, smocking, or hand embroidery. 40 metres per skein.

Some flower thread work samples here.

Needles suggestion:   Gold Eye Milliners #1