are you planning on putting this tank in a compitetion? If not than you try follow the rules the best you can, and call it dutch inspired. Don't stress about following rules, but rather enjoy aquascaping and learning new things along the way. You will enjoy your tank more if scape it to what pleases your eye.
The fun thing is, you can change you scape whenever you want. There is no major harm to rescaping. Let it grow in a bit, and if you don't like something, change it.