Species deep dive
Snake plant
Sansevieria trifasciata · Succulent
Asparagaceae (recently moved from Sansevieria into Dracaena) · Tropical West Africa, from Nigeria east to the Congo
Care at a glance
Light
Tolerates low light for long stretches but grows best in moderate to bright indirect light.
Water
Let soil dry completely — usually 14–30 days to dry down indoors.
Humidity
Low to average
Temperature
60–85°F (15–29°C)
Where it comes from
Dry, rocky, seasonally arid ground and open woodland edges with strong sun, sharp drainage and long droughts broken by heavy rain. Everything about its care follows from that.
How it's built
The leaves are water-storage organs stiffened by fibres — the plant was once grown commercially for bowstring hemp. Thick waxy cuticle and few pores keep water in.
It uses CAM photosynthesis: pores open at night to take in carbon dioxide, which is stored as acid and used in daylight with the pores closed. This is why it loses so little water, tolerates neglect, and is the origin of the 'releases oxygen at night' claim (true, but in trivial amounts).
Grows from thick underground rhizomes that push up new leaf fans (pups). Division along the rhizome keeps variegation; leaf cuttings usually do not, because the coloured edge comes from a cell layer the new bud does not inherit.
A short history
Named Sansevieria in 1794 after Raimondo di Sangro, Prince of San Severo; DNA studies moved the whole genus into Dracaena in 2017, which growers are still adjusting to.
A Victorian parlour survivor, a mid-century modern staple, and a fixture of every list of 'unkillable' plants — killed, nonetheless, by kindness with the watering can.
Cultivars & relatives
- 'Laurentii' — The classic yellow-edged form; a chimera, so propagate by division to keep the edge.
- 'Zeylanica' — All-green with grey banding; tougher in low light.
- 'Moonshine' — Silver-green leaves; pales further in bright light, greens in shade.
- 'Hahnii' (bird's nest) — Low rosette form; rots easily if water sits in the centre.
- D. angolensis (cylindrica) — Round, spear-like leaves; the same care, even more drought-tolerant.
Reading the plant
- Leaves wrinkling or folding lengthwise: genuinely dry — a long drink and it plumps within days.
- A leaf going soft and yellow at the base, or the fan toppling: rot from wet soil. Cut away rot and repot dry.
- Thin, floppy new leaves: too little light. It survives at 200 lux but it grows well only at 1,000+.
Safety: Saponins; mildly toxic if chewed — nausea in pets. Rarely serious.
What commonly goes wrong
- MealybugsWhite cottony clusters tucked into leaf joints and along stems, leaving sticky honeydew behind.
- Root rotRoots suffocate in waterlogged mix and are then colonised by water moulds; the plant wilts while the soil is wet.
- Sunburn (leaf scorch)Bleached, papery patches on the leaves that face the window after a sudden increase in direct sun.
- Fertiliser & salt burnBrown crispy leaf tips and margins with a white crust on the soil or pot rim from accumulated salts.
- Etiolation (stretching for light)Long pale stems, small leaves and wide gaps between them as the plant reaches for light it cannot find.
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