Pocket BotanistCheck these first
- Touch the soil to see if it is dry.
- Check if the pot is sitting in a tray of water.
- Look for heat vents nearby.
Likely causes
Underwatering
Most likelyHow to tell: The soil feels dry to the touch and the tips are crispy.
What to do: Increase your watering frequency to keep the soil consistently wet. You can place the pot in a shallow tray of water to ensure it stays hydrated.
Low Humidity
PossibleHow to tell: The plant is in a very dry room or near a heater.
What to do: Move the plant away from heat sources. Mist the foliage daily or place it in a more humid area like a bathroom.
Find out what's wrong with your sharp-flowered rush
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
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When to worry
It is normal for a few older outer leaves to brown as they age. Worry if the browning is spreading rapidly across new growth.
Stopping it coming back
Keep the soil constantly moist and never let the pot dry out completely.
Sharp-flowered rush: brown tips? Check yours with a photo
Every plant is a little different. Take a photo of your sharp-flowered rush and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Should I trim the brown tips?
- Yes, you can trim them with clean scissors for aesthetic reasons. Just avoid cutting into the healthy green tissue.
- Can I leave it in standing water?
- Yes, this plant thrives in boggy conditions. Keeping it in a shallow tray of water is actually ideal.
Guides to these causes
More problems with Sharp-flowered rush
Back to the Sharp-flowered rush guide
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.