Low-light houseplants that genuinely tolerate low light
"Low light" in plant retail usually means "will not die immediately". A handful of plants genuinely tolerate dim rooms; most of the list is optimistic. Here is the difference.
First, work out how dark it really is
People consistently overestimate indoor light, because eyes adjust and light meters do not. Two quick checks: on a clear day with the lights off, can you read a paperback comfortably at that spot? And hold your hand a foot above a sheet of paper — a sharp shadow means direct sun, a soft but clear shadow means bright indirect, and barely any shadow means genuinely low light.
If there is no shadow at all and no window in line of sight, that is not low light, it is no light. Nothing will grow there without a lamp.
The ones that genuinely cope
Snake plant (Dracaena trifasciata). The most tolerant common houseplant. Handles dim corners and irregular watering, and dies mainly from being kept wet. Water sparingly — every few weeks at most in low light.
ZZ plant (Zamioculcas zamiifolia). Stores water in thick rhizomes, so it shrugs off both darkness and forgetfulness. Glossy, slow, near-indestructible.
Cast iron plant (Aspidistra elatior). Named for exactly this. Deeply tolerant of dark hallways and neglect; the trade-off is that it grows very slowly.
Pothos (Epipremnum aureum). Tolerates low light well, though variegated forms lose their variegation and revert to plain green as the light drops. Buy a plain green one for a dark spot and you lose nothing.
Chinese evergreen (Aglaonema). The darker green cultivars handle low light; the pink and red ones need considerably more.
Commonly mis-sold as low-light
Fiddle-leaf figs, most calatheas, string of pearls, succulents and cacti of every kind, and variegated anything. Succulents in particular are sold for dim bathrooms constantly and stretch into pale, floppy versions of themselves within weeks.
Ferns are a subtler case: they tolerate shade outdoors but want humidity indoors, so a dark dry room fails them for a different reason than light.
Water less, not more, in low light
This is the part that catches people out. Less light means slower growth means less water used, so the same watering routine that worked by a bright window will drown the same plant in a dark corner. When you move a plant somewhere darker, cut the watering roughly in half and check by weight.
When to just buy a lamp
A modest full-spectrum LED on a timer for eight to ten hours a day turns a hopeless corner into a viable one, and costs less than replacing plants twice. There is no shame in it — it is the single highest-leverage purchase in the hobby.