On the front page dont bullet "the grass is growing" and your bulleting is messed up in general.
Your page title isnt optimised
Your H1 tag should be specific for seo. Pick your best keyword and use that in a phrase. Do this for your targeted keywords for all your headers
On the about us page, the first sentence is perfect for an seo location. "...to our (name of town or city)"
You got a 67 on websitegrader.com, pretty good. Your site could easily hit 80's.