So far I've crocheted a single square and felted it to make it sturdier.
...and here it is after felting:
I'm going to make a pillow out of light olive green wool that I'll crochet and felt. I'll blanket stitch the daisy square onto the pillow and then I will probably crochet an edging to finish it off.
I'm pleased with it so far...and I know my mother will love it (regardless of what it looks like!)
*Edited to add a link to the pattern for the Easy Daisy Granny Square.