Indoor
Houseplant Light Matcher
Choose your window direction and distance to see which houseplants will actually thrive in that spot.
Your light level
Plants that thrive here
- • Pothos
- • Philodendron
- • Peace lily
- • Calathea
- • Chinese evergreen
- • Spider plant
Why window direction is only half the story
Most plant tags say 'bright indirect light' as if that were a fixed thing, but the actual light hitting a leaf depends on three factors together: which way the window faces, how far the plant sits from the glass, and what is filtering the light on the way in. A south window three feet back with sheer curtains can deliver less usable light than an unobstructed east window right on the sill.
This matcher combines those three inputs into a rough relative score, then maps that score onto the light bands nurseries and growers actually use: low, medium, bright indirect, and direct/high light.
Light by window direction
| Direction | Character | Typical intensity |
|---|---|---|
| North | Cool, even, no direct sun (northern hemisphere) | Lowest |
| East | Soft direct sun for a few morning hours | Medium-low |
| West | Intense direct sun in the hot afternoon | Medium-high |
| South | Direct sun most of the day, strongest overall | Highest |
The falloff with distance
Light intensity drops off sharply as you move away from a window — much faster than most people expect, because it follows something close to an inverse-square relationship rather than a straight line. A plant one foot back may receive several times more usable light than the same plant six feet back in the same room. If a plant is struggling, moving it two feet closer to the window often does more good than any amount of fertilizer.
Matching plants to your light band
| Light band | Signs you're in it | Reliable plants |
|---|---|---|
| Low light | No direct sun, dim even at midday, far interior corner | Snake plant, ZZ plant, cast iron plant |
| Medium / bright indirect | Bright room, no direct sun hitting the leaves | Pothos, philodendron, peace lily, calathea |
| Bright indirect / filtered | Near a sunny window but sun is diffused or brief | Monstera, rubber plant, fiddle leaf fig |
| Direct / high light | Several hours of unfiltered sun on the leaves | Succulents, cacti, citrus, croton |
Simple fixes if your light doesn't match your plant
- Rotate pots a quarter turn weekly so growth doesn't lean permanently toward the window.
- Swap sheer curtains for none (or vice versa) to fine-tune intensity without moving furniture.
- Group plants that want similar light rather than scattering them by decor logic.
- Add a supplemental LED grow light for rooms with no bright window at all.
- Clean windows and leaves — dust on either can cut usable light noticeably over time.
How do I know if my plant is getting too little light?
Leggy stretched growth, small new leaves, slow growth, and leaves leaning hard toward the window are the classic signs. Variegated plants often revert to solid green in low light because chlorophyll is prioritized over pattern.
Can sheer curtains really change the light category?
Yes. A sheer curtain typically cuts light intensity by 20-40%, which is often enough to turn direct sun into the bright indirect range — useful for south and west windows that would otherwise scorch leaves.
Does distance from the window matter that much?
Enormously. Light intensity falls off roughly with the square of the distance, so a spot 6 feet from a window can receive less than a quarter of the light available right on the sill.
What if I have no bright window at all?
Low-light tolerant plants (pothos, ZZ plant, snake plant, cast iron plant) will survive and even grow slowly in north-facing rooms or interior spots, but consider a supplemental grow light if you want lush, fast growth.
Last reviewed February 2026