Make sure the right plants grow in the right flowerpots and remove unwanted weeds. Also, check the sides of the flowerpots because weeds don’t care about the pots, they’ll just grow between the wooden boards. The questions should be visible at all times.
Check the lettering (the nails) once in a while, because the older ones tend to fall off. If you need to replace a whole word (or multiple words): the font is called Sélavy and can be downloaded here.
