A bird’s nest snake plant on an east sill scores 69 out of 100. The light there, an estimated 6,500 lux on a clear day, runs a little bright for it, and nothing else counts against it. One metre in, the estimate is 5,000 lux and the score is 100. It holds 100 out to four metres; five metres back still reads 99.
Read on 14 October 2026, the top results mostly agree that east is the window to pick. Lively Root calls it perfect, Plant Addicts says the plant will love it, and The Spruce puts it in an east-facing window. Growers on r/houseplants and in a Facebook group keep theirs right against east glass, morning sun and all, and say they’re doing fine. Only Low Light Leaf gives distances, and they pull two ways: three to six feet from a bright window in its text, while its own light table files three to ten feet back from an east or west window under low light.
So the results send the pot to the sill, and the one site holding a tape measure calls most of the room dim. The scores disagree on both.
Worth a try
It can work here with a little care.
A bit bright, but workable
Comfortable temperature
Humidity suits it
Airflow suits it
Is an east sill too bright for a snake plant?
Here first is what other people publish for a snake plant’s light, each figure in the unit its source prints:
| Who publishes it | What it says a snake plant needs | What the figure is |
|---|---|---|
| theplantrunner.com | 300–800 lux | True low-light crew (ZZ, snake plant, cast-iron plant, some ferns) |
| houseplantjournal.com | 100 foot-candles | Sansevieria — minimum indirect light |
| houseplantjournal.com | 200 foot-candles | Sansevieria — good indirect light |
| growlightmeter.com | 5 – 10 PPFD / DLI | Snake Plant |
| extension.arizona.edu | 25–75 foot-candles | listed under the heading "Low Light (25–75 fc)" |
| apps.apple.com | 500 lux | per-plant figure — thrives at this level |
| houseplantsnook.com | 50–100 foot-candles | chart fc level |
| soltech.com | approximately 64–98 PPFD / DLI | Snake Plant FAQ — target PPFD by size |
A little, and only on light. The card above gives the sill 69 with temperature, humidity and airflow all sitting mid-scale; the one marker out of place is light, pushed toward the bright end. At 6,500 lux the sill is just past the top of the range this plant reads as ideal, so the engine calls it workable and docks it for that alone.
That squares with the growers in those threads. Their plants are doing fine on east sills, and worth a try is the engine’s word for a spot a plant gets by in. What the score adds is how little it takes to do better: the same pot a metre in reads 100.
The published figures can’t settle this. Each is a level of light with no window or distance attached. The engine supplies those two, estimates the light at the spot and reads it against this plant’s band, and at an east window the edge falls between half a metre and one.
How far back from an east window should a snake plant go?
About a metre. After that, distance stops counting for a long way. The same plant, moved back from the glass in steps:
| Distance from the glass | Estimated light | What the light is doing | Verdict |
|---|---|---|---|
| 0.3 m, against the glass | 6,500 lux | A bit bright, but workable | Worth a try, 69/100 |
| 0.5 m back | 6,300 lux | A bit bright, but workable | Worth a try, 69/100 |
| 1 m back | 5,000 lux | Just the right amount of light | Great fit, 100/100 |
| 2 m back | 3,150 lux | Just the right amount of light | Great fit, 100/100 |
| 3 m back | 1,984 lux | Just the right amount of light | Great fit, 100/100 |
| 4 m back | 1,250 lux | Just the right amount of light | Great fit, 100/100 |
| 5 m back | 787 lux | Just the right amount of light | Great fit, 99/100 |
Everything happens in the first metre. Between half a metre and one, the estimate falls from 6,300 to 5,000 lux, the light column turns from a bit bright to just right, and the score climbs from 69 to 100. Then nothing moves for three metres. At five, the estimate is 787 lux and the plant has lost a single point.
Low Light Leaf’s table calls three to ten feet back from an east window low light. That’s roughly one to three metres, the middle of this table, where every row reads 100. The light there is softer than on the sill, as the label says, and for this plant softer is the point. The site’s own three-to-six-feet advice starts about where the flag lifts.
None of these lux figures came off a meter. They’re estimates from the window’s direction, the pot’s distance and a clear day, so trust where the step falls more than the digits around it.
Can a snake plant sit on an east sill in winter?
Yes, and winter is when the sill suits it best. Same pot on the glass, only the date changing, scored at latitude 40, roughly New York or Madrid:
| The month it is | Estimated light | What the light is doing | Verdict |
|---|---|---|---|
| February | 5,314 lux | Just the right amount of light | Great fit, 99/100 |
| March | 6,461 lux | A bit bright, but workable | Worth a try, 69/100 |
| June | 7,800 lux | A bit bright, but workable | Worth a try, 68/100 |
| September | 6,481 lux | A bit bright, but workable | Worth a try, 69/100 |
| October | 5,253 lux | Just the right amount of light | Great fit, 99/100 |
| December | 3,793 lux | Just the right amount of light | Great fit, 100/100 |
The flag covers the bright half of the year. February reads 99 at 5,314 lux. By March the estimate is 6,461 and the score 69, June reaches 7,800 lux and 68, and September is back at 69. October drops to 5,253 lux and 99, and December, at 3,793, gives the sill a full 100. The 6,500 in the distance table leaves the season out, which is why it lands beside the March and September rows.
So the plain advice to put it in an east window holds for about five months a year and runs a notch bright for the other seven. If you like it on the sill, give it the glass from October to February and a metre of floor from March. Or skip the move: a metre back, scored month by month at the same latitude, stays a great fit all year.
The table holds the air at 22 °C on every row. A sill beside old glass on a January night can run well below the room, and the score can’t see that. One night with a cheap thermometer beside the pot can.
Is east the best window for a snake plant?
Of the three windows that get direct sun, east puts the least on the sill, so its flagged strip is narrow and seasonal. In a west window the flag also clears about a metre back, from a brighter sill that takes afternoon heat too. A south window holds the flag until about three metres back, the far wall of a small room.
A north sill needs no step at all: scored across nine spots in one home, the north glass reads a great fit as it is, and the north-window page finds the cold pane, not the light, is what moves it there. Of the sunny windows, east asks the least of this plant, one metre for half the year.
What changes the numbers at your own east window?
Low morning sun is easy to block. A building or a tree to the east can take a large share of it off the sill, and neither is an input here. The summer sill sits close enough to the line that a net curtain may be all it takes to lift the flag.
The east window guide covers how much sun the window gets and what else belongs where. To score your own sill with your local weather instead of a clear sky, use the free spot checker.
Published October 14, 2026
