Again, the best type of window for your houseplants depends on the type of plant you have and their sunlight preferences. For plants that love sunlight and need plenty of it to survive, a south-facing window is best. However, there are plenty of plants that do not need that much light and will do much better when they grow in either an east-facing window or a west-facing window. In either of those cases, the window will provide enough light without it being too much, which can cause leaf scorch and other complications in many plants.