Categories: Houseplants

Snake Plant Care: How to Grow a Healthy Sansevieria Indoors

If you’ve ever said you can’t keep a houseplant alive, the snake plant is the one to prove yourself wrong. Its stiff, upright leaves come striped in shades of green, silver, and yellow. Better yet, snake plant care is about as easy as it gets. This tough tropical plant tolerates low light, dry indoor air, and weeks of neglect.

For years, snake plants went by the botanical name Sansevieria trifasciata. However, botanists now place them in the genus Dracaena as Dracaena trifasciata. You’ll still see both names at garden centers. Whatever you call it, this guide covers everything you need to keep yours healthy indoors.

Key Takeaways

  • Overwatering is the number one way to kill a snake plant. Let the soil dry out completely between waterings.
  • Snake plants tolerate low light but grow best in bright, indirect light.
  • Keep them above 50°F; cold drafts and chilly windowsills cause damage in winter.
  • The plant is toxic to cats and dogs if chewed.

Snake Plant Care at a Glance

  • Common names: Snake plant, mother-in-law’s tongue, viper’s bowstring hemp
  • Botanical name: Dracaena trifasciata (formerly Sansevieria trifasciata)
  • Mature size: 6 inches to 4 feet tall, depending on variety
  • Light: Bright indirect light to low light
  • Soil: Fast-draining cactus or succulent mix
  • Hardiness: Outdoors year-round only in USDA zones 10 to 12
  • Toxicity: Toxic to cats and dogs

Light

Snake plants are famously tolerant of dim corners, which makes them a favorite for apartments, offices, and north-facing rooms. But “tolerates” isn’t the same as “thrives.” In very low light, they grow slowly and variegated types may lose some of their bright coloring. For the best growth, place yours a few feet from an east- or west-facing window or near a bright south-facing window with sheer curtains. A few hours of direct morning sun is fine, but sudden exposure to intense afternoon sun can scorch the leaves.

Variegated varieties keep their bright yellow edges best in bright, indirect light.

Water

Watering is where most snake plant care goes wrong. Their thick leaves store water, and their roots rot quickly in soil that stays wet. Water only when the soil is completely dry all the way through. Push your finger or a wooden skewer a couple of inches into the pot; if it comes out with any moisture, wait.

In spring and summer, that usually means watering every two to three weeks. In fall and winter, when growth slows and light levels drop, once a month or even less is often enough. When you do water, soak the soil thoroughly until water runs out the drainage hole, then empty the saucer. Avoid pouring water into the center of the leaf rosette, where it can sit and cause rot.

Soil and Pots

Use a fast-draining potting mix made for cacti and succulents, or mix regular potting soil with an equal amount of perlite or coarse sand. Either way, a drainage hole is non-negotiable. Terra-cotta pots are a great choice because the porous clay helps soil dry out faster. Snake plants are top-heavy as they grow tall, so choose a pot that’s sturdy and wide enough not to tip over.

Temperature and Humidity

Snake plants are comfortable at normal household temperatures between about 60 and 85°F. However, temperatures below 50°F can damage them. So in northern winters, keep them away from drafty doors, single-pane windows, and cold entryways. Sealing those drafts is also on our checklist for how to winterize your home. Average indoor humidity is fine; there’s no need to mist them, and it can actually encourage fungal problems.

If you summer your snake plant outdoors on a patio, bring it back inside before nighttime temperatures dip into the 50s, usually by late September in the northern U.S. and Canada.

Fertilizer

In addition, snake plants are light feeders. During spring and summer, feed once a month with a balanced houseplant fertilizer diluted to half strength, or use a cactus fertilizer. Skip fertilizer entirely in fall and winter.

Popular Snake Plant Varieties

  • ‘Laurentii’: The classic, with tall green leaves edged in bright yellow.
  • ‘Moonshine’: Pale, silvery-green leaves that look striking against dark walls.
  • ‘Black Gold’: Very dark green leaves with narrow gold margins.
  • ‘Hahnii’: A compact “bird’s nest” type that stays under about 8 inches tall.
  • Cylindrical snake plant (Dracaena angolensis): Round, spear-like leaves, sometimes sold braided.

Repotting and Propagation

Snake plants like to be a little crowded and only need repotting every two to three years, or when roots start to push out of the drainage hole or crack a plastic pot. Repot in spring, moving up just one pot size (1 to 2 inches wider).

Repot in spring into a pot only slightly larger than the old one, using fast-draining mix.

The easiest way to get new plants is by division. When repotting, slide the plant out and use a clean, sharp knife to cut through the thick rhizome, leaving each section with at least one leaf and some roots. Pot each section separately.

You can also root leaf cuttings. Cut a healthy leaf into 3-inch sections, let them callus for a day or two, then insert the bottom end (keep track of which end was down) into moist cactus mix. Note that cuttings from variegated plants like ‘Laurentii’ usually grow back plain green; division is the only way to keep the yellow edges.

Common Problems

Most issues come down to a few mistakes in snake plant care. Fortunately, they are easy to fix once you spot them.

  • Soft, mushy, or yellowing leaves: Almost always overwatering or root rot. Remove the plant, cut away any brown, mushy roots, and repot in fresh, dry mix.
  • Wrinkled or curling leaves: The plant needs more water. Give it a thorough soak.
  • Brown tips: Usually from inconsistent watering or cold damage.
  • Leaves flopping over: A sign of too little light or too much water. Move it somewhere brighter and cut back on watering.
  • Tiny flies around the pot: These are usually fungus gnats, which breed in soggy soil. Let the soil dry out completely. A layer of sand or fine gravel on top of the soil also helps.

FAQ

Do snake plants really purify the air?

In lab settings, snake plants can absorb small amounts of some airborne compounds. Still, you’d need far more plants than any home holds to change indoor air quality. Enjoy them for their looks and easy care, and rely on ventilation for clean air.

Can a snake plant live in a bathroom or bedroom?

Yes. They do well in bathrooms with a window and in bedrooms. Just water sparingly and keep them away from cold drafts. If you bring other potted plants indoors for the cold months, our guide to overwintering potted plants explains how to help them adjust.

Are snake plants safe for pets?

No. Snake plants contain saponins, which can cause vomiting and drooling in cats and dogs if they chew the leaves. Keep them out of reach of curious pets, and check the ASPCA’s toxic and non-toxic plants list before buying new houseplants.

Alex Rowan

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Alex Rowan

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