Embroider each flower with a bullion stitch 2 threads and 6 to 8 wraps. Add a straight stitch 2 threads  for the stem

Here you can see the completed Lavender

The stems  are embroidered with House of Embroidery stranded cotton Periwinkle 7 or with DMC cotton floss 966.

The flowers  are embroidered with House of Embroidery stranded cotton Hellebore 62 or with DMC cotton floss 3834.