Dry start with Java Moss

Hey everyone. Im trying the method where you grind up some moss with aquasoil and painting it on hardscape. Im worried that I blended it too fine, should I start over or see if it grows in?

https://preview.redd.it/wm84wwzlnr0e1.png?width=1957&format=png&auto=webp&s=3fa5e3697958792b8c5ca1ebcad727b8ffac2dfc