Knowing which way a window faces tells you more about what will thrive on that sill than almost any other single fact, more than the room's size, more than how sunny it "feels" walking past at random times of day. It's worth checking with a compass app once per room rather than guessing.
What each direction typically offers
The description below reflects the Northern Hemisphere, where this kind of guidance is usually written, and where the sun's arc favors the southern sky.
- South-facing: the brightest and most consistent light of the four, often direct sun for much of the day. The New York Botanical Garden's houseplant guide notes that a south-facing window can offer direct sunlight within 2 to 3 feet of the glass, bright indirect light out to about 5 feet, and semi-shade out to roughly 8 feet. Good for cacti, succulents, and sun-loving plants; can scorch shade-adapted foliage if placed too close.
- North-facing: the softest and most consistent light, with no direct sun. Well suited to low-light tolerant plants like snake plant, ZZ plant, and many Aglaonema varieties, the same plants covered in our low-light plant guide.
- East-facing: gentle morning sun, cooler and easier to place plants near without scorching. A comfortable middle ground for plants like pothos or philodendron that tolerate a range of light.
- West-facing: intense, often harsh afternoon sun. Behaves more like a south-facing window in terms of what it can support, though the timing of the heat (afternoon rather than midday) can make it feel more intense for a shorter stretch.
Near the equator, this whole framework shifts
The north/south rule of thumb comes from temperate latitudes, where the sun consistently favors one side of the sky. Close to the equator, the sun passes nearly overhead for large parts of the year and shifts between appearing slightly north and slightly south of directly overhead depending on the season, rather than reliably favoring one direction. In practice, this means south-facing and north-facing windows can receive fairly similar light intensity near the equator, and the strong asymmetry described above weakens considerably. For readers in equatorial regions, judging light by actual hours of direct sun observed at a window, rather than by direction alone, is more reliable than importing the Northern Hemisphere rule of thumb wholesale. The Southern Hemisphere temperate zones see the pattern fully reversed: north-facing windows get the strongest light there, and south-facing windows are the dim ones.
Matching plants to what you've got
- South or west, direct sun for hours: succulents, cacti, and other high-light plants. See our dry apartment plant guide for several options that also tolerate the drier air near sunny glass.
- North, or a spot several feet back from any window: the low-light tolerant plants in our low-light guide.
- East, or a few feet back from a south or west window: the generalists, pothos, philodendron, and similar plants that handle a wide range without much fuss.