Peace Lily Brown Leaf Tips: Causes and How to Fix It
Crispy brown tips are the single most common Peace Lily complaint, and they almost always trace back to how the plant is watered, the dryness of the air around it, or a build-up of fertilizer salts. Here are the likely causes, ranked, with how to tell them apart and fix each one.
Inconsistent watering
What's happening
Letting the soil swing between bone-dry and soaked stresses the leaf edges, which are the last to receive water. The thin tip tissue dries out and dies, turning brown and crispy while the rest of the leaf stays green.
How to confirm
You water on no fixed rhythm, or the plant has wilted dramatically a few times before being rescued. Brown tips show on multiple leaves, and the soil is sometimes very dry and sometimes still soggy when you check.
How to fix it
Settle into a consistent routine: water when the top inch of soil is dry, soaking thoroughly until it drains, then empty the saucer. Trim the dead tips following the leaf's natural shape — the brown won't turn green again, but new growth will come in clean.
Prevent it
Check the soil with a finger or meter once a week and water before the plant droops, never after it has fully wilted.
Low humidity and dry air
What's happening
Peace Lily comes from humid rainforest floors and resents dry indoor air, especially in winter when heating runs. The leaf tips and edges lose moisture faster than the plant can replace it and crisp brown.
How to confirm
Tips brown more in winter or near a heating vent, the air in the room feels dry, and other tropical plants nearby show the same edge browning.
How to fix it
Raise the humidity around the plant: group it with other plants, set the pot on a tray of pebbles and water, or run a small humidifier nearby. Move it away from heating vents and air-conditioning drafts.
Prevent it
Keep ambient humidity around 40% or higher and keep the plant clear of vents and dry-air sources.
Over-fertilizing or salt build-up
What's happening
Peace Lily is a light feeder, and excess fertilizer salts accumulate in the soil and burn the root tips, which shows up as browning at the leaf edges and tips. A crusty white residue on the soil is the tell.
How to confirm
You feed often or at full strength, there's a white crust on the soil surface or pot rim, and brown tips appeared after a feeding stretch.
How to fix it
Flush the pot with plenty of plain water to leach out excess salts — let water run through the drainage holes several times. Then hold off feeding for a couple of months and resume at half strength, no more than every 6–8 weeks in the growing season.
Prevent it
Feed sparingly with a balanced fertilizer at half strength, only spring through summer, and flush the soil occasionally.
Mineral-heavy or chlorinated tap water
What's happening
Sensitive to chlorine, fluoride, and dissolved minerals, Peace Lily can develop brown tips from hard or heavily treated tap water over time as those compounds accumulate at the leaf margins.
How to confirm
Your tap water is hard or strongly chlorinated, browning is gradual and persistent despite good watering habits and humidity, and a white residue may ring the soil.
How to fix it
Switch to filtered, distilled, or rainwater, or leave tap water out overnight so some chlorine dissipates before using it. Flush the soil with clean water to clear accumulated minerals.
Prevent it
Water with low-mineral water and flush the pot periodically to keep salts from building up.
When to worry (and when not to)
A little tip browning on an otherwise healthy, growing Peace Lily is cosmetic — trim it and adjust your routine. Pay closer attention if browning spreads quickly across whole leaves, if it pairs with yellowing and soggy soil (which points to root rot rather than tip burn), or if new growth emerges already browned. Most tip browning, though, is simply the plant asking for steadier watering and a little more moisture in the air.
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