Life is not a bed of roses. You have too many things for your first flower bed. Just do hard work, Hope you can get the highest level lovable flower bed.
I loved your location. Along with sunlight, especially nice accessible the garden location you have. For a flower bed, you need to make sure you choose a spot that allows for easy maneuvering so that you will be able to trim, it is ok. Fertilize and treat your flower garden without stepping on the fragile plants. Please design it before you plant. Next, think about the colors of each flower, and plant them accordingly. For example, you could group your pink and yellow flowers together, or swap them out one by one to create a really beautiful color effect. You could also group various plants together to make a nice textured effect. Different flower bloom choices are a very nice thing a nice garden view that blooms all year long, choose a variety of flowers with different blooming seasons. Depending on where you live, it may be too cold to expect flowers during the fall and winter months, but you can still plan a flower garden that blooms from early spring to the end of summer. Choose sunflower, Marigold, Zinnias, Cosmos, and Coneflower type flowers. Add some ornamental grass.