Plant care guide

Snake Plant Brown Tips: Watering, Salts, Sun or Cold?

Updated

Why does my Snake plant have brown tips?

Brown tips on a snake plant usually trace back to watering: mix left dry too long, or roots damaged by mix that stays wet. Salt build-up from fertilizer, sun scorch, cold and a damaged tip are the other common causes. Dry room air is a less likely culprit than on most houseplants, because snake plant tolerates low humidity.

What to do first

Feel the mix deep in the pot and press the leaf base. Water a dry plant thoroughly; stop watering and check the roots of a wet one. Look for white crust on the mix, and move the plant out of midday sun and cold draughts. Trim the brown tip only for looks.

Brown tips are easy to spot on a snake plant, because its leaves normally stay clean for years. The RHS sansevieria growing guide says individual leaves usually live many years without withering or browning. A browning tip tells you something in the plant’s care or position has changed.

The tip itself will not turn green again. The job is to find the cause so new leaves stay clean.

Start with the mix and the leaf base

Push a finger deep into the mix, lift the pot, and press the base of the affected leaf.

What you findLikely cause
Mix dry deep down, light pot, tips dry and brittle, leaves thinUnderwatering
Mix wet, leaf base soft or yellow, browning spreading down the leafOverwatering and root damage
White or grey crust on the mix or pot rim, regular feedingSalt build-up
Bleached or brown patch on the side facing a sunny windowSun scorch
Damage after a cold window, draught or cold journey homeCold injury
A single tip, bent or snapped, on a leaf that brushes a wall or doorwayPhysical damage
Tip yellows, then turns tan, then dark brown, spreading around the leafAnthracnose (uncommon)

The causes

Watering, either way. Virginia Cooperative Extension’s watering guide lists brown tips or edges, dry and brittle leaves and a very light pot as underwatering signs. Clemson Extension’s disorders factsheet names improper watering among the causes of brown tips and margins. Iowa State University Extension’s environmental diagnosis guide adds that letting plants dry out too long between waterings causes brown tips.

Overwatering is the bigger risk for this plant. NC State Extension’s snake plant profile warns that the roots will rot if overwatered. If the base is soft, treat it as a root problem, not a tip problem.

Salt build-up. Clemson lists salt accumulation as a cause and says white to grey crusty deposits on the mix or pot rim are a sign. Iowa State links excess fertilizer to brown leaf edges. Penn State Extension’s snake plant article suggests half-strength all-purpose fertilizer, monthly, and only in the growing season.

Sun and cold. The RHS advises keeping snake plants out of midday summer sun, which can scorch the leaves. It gives 15–24 °C (60–75 °F) as the ideal range and says to keep plants away from cold draughts and radiators.

Dry air: less likely here. Iowa State calls low humidity the most common reason for brown tips on houseplants in general. Snake plant is an exception. NC State says it tolerates low humidity, and the RHS says never to mist it. Rule out the causes above before buying a humidifier.

Disease. Clemson describes anthracnose as tips turning yellow, then tan, then dark brown, with browning that may circle the leaf. It notes that wounds help the fungi enter. This is uncommon indoors; our snake plant brown spots guide and leaf spot guide cover spots that spread.

What to do

  1. Dry mix, firm base: water thoroughly until it drains, then empty the saucer. Water again only once the mix has dried out.
  2. Wet mix or soft base: stop watering and check the roots. Follow our snake plant root rot guide.
  3. Crust on the mix: Clemson suggests drenching the pot to leach salts, scraping off the crust and topping up with fresh mix. Cut back on fertilizer.
  4. Scorch: move the plant back from the glass in summer.
  5. Cold: move it away from cold windows and draughts.
  6. Trim for looks, if you like. Iowa State says trimming brown portions improves the look, but browning returns if the cause remains. Penn State suggests removing a badly damaged leaf at soil level instead.

Keep new tips clean

Water by checking the mix, not the calendar. The RHS suggests pushing a finger into the compost to check. NC State suggests watering only every one to two months in winter. Use a pot with drainage holes, and feed lightly.

Yellowing leaves have their own checks in our yellow leaves guide. Curling and creasing are covered in our wrinkled leaves guide. The snake plant care guide covers the full routine.

References

How this guide was put together: Clemson Extension, Virginia Cooperative Extension, NC State Extension, RHS, Penn State Extension and Iowa State University Extension guidance.

Other Snake Plant problems

Knowledge record: pg-snake-plant--brown-tips