re: call to action: you should a/b eventually, but start with best practices. buttons > links, use colors that draw attention, don't let it blend with other page elements. (for instance, the left-alignment makes it blend with the text above it.)
Agreed, use the highlight colour inverted with the button right aligned to the para (that green doesn't say baby clothes to me incidentally, though I see the organic bit, looks a bit reserved).
