Gosh ... the first time in 6 months that someone has shown up with a perfect set of pictures. Without even being asked!!! Amazing. :-)

Here's a general concept, which you can play with quite a bit in order to fine tune to your liking. You pick the plants, trying for those those that best fit your plan.

I think the garage siding looks fine. Around the window I'd paint same color as brick at minimum.

Your cottage fence is inspirational and it seems to match your neighborhood. I would paint the brick to match the siding. or paint the whole thing if that's an option.
white trim seems to work well with fence.
Also add a garage door with square windows and paint the front door a cheerful color.

The landscape design by yardvark looks great

Thanks for the feedback! I love your design Yardvaark, it didn’t occur to me to mirror the same plants on both sides. It really makes it look so pulled together. I also think the tree in the backyard looks great. Will post after pics when finished.

I would like to see a rendering with the black railings replaced with something a little more substantial that goes with the white fence.

The black railing was part of a front porch renovation that we did as soon as we bought the house as the steps were a hazard so other than painting them they will have to stay. But I’m not opposed to painting them.

I like the black railings exactly the way they are now. They disappear into the house.

I also like the landscape plan that yardvaark shows.

The only thing I would change in his plan isn't with the plants or trees - it's the color of your front door. I would use an accent color on the door. Green or black.

entry door front door colors for red brick house and brown roof - Google Search · More Info

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Well I lost the argument with my husband to have a screen door, he insisted on it both for privacy when someone’s at the door and for airflow. I wanted to paint but held off because I don’t think a color would have the same effect with the white screen door in front of it. Most painted doors are free of screen doors.

Recent discussion involving similar house

https://www.gardenweb.com/discussions/5915504/ideas-for-narrow-flowering-shrub-for#n=17