I think these green shutters with the grey shingles, red brick and white trim give a nice look.
You could re-cut the flowerbed line to the left-side of your front door and expand the landscaping. (Example to the right-side of this front door.)
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IMO, way, way too much landscaping. But it does illustrate a couple of ideas:
* coloured plants
* curved lines in the flowerbeds instead of beds that are perpendicular to the house
* more substantial wood posts
Q
Portico, railings and steps
Q