Some of your plants will require full sun. Some will want partial sun. Some will want mostly shade. Sun level is not a minor issue. In fact, of the essential elements—soil, water and sun—sunlight can be the hardest to modify.
When you're researching what plants will go in your garden, seriously consider the location. Check what kind of sun it gets through the course of a day. Don't forget one important fact—the angle of the sun can change rather drastically from spring to summer to autumn. A location that is "partial sun" in March and April could be "full sun" by July. This could work to your advantage, or else it could ruin a tender plant.
Create a watering plan