I've finally done it! And quite pleased with the result. Just a little final tweaking with the stencil. My first prints were on some scraps of fabric - cream, pink, grey and even black (although that didn't work very well).
And the hard working stencil - quite a few hours of careful cutting there.
While I was at it I also printed out my second new design - the Tea Tree or May on cream and blue/grey fabric
And the simple stencil