Pocket BotanistCheck these first
- Feel the top inch of soil to see if it is dry.
- Observe the plant during the hottest part of the day to check for direct sun exposure.
- Check if the container has drainage holes if the plant is in a pot.
Likely causes
Underwatering
Most likelyHow to tell: The leaf tips turn crispy and brown while the rest of the leaf may look dull or slightly wilted.
What to do: Water deeply every 3 to 7 days, ensuring the top inch of soil is moist. Apply water directly to the base of the plant to keep the foliage dry.
Excessive sun exposure
PossibleHow to tell: The tips and edges of the leaves turn brown and scorched, especially if the plant gets direct afternoon sun.
What to do: Move the hosta to a location with more shade. If it is in the ground, you can plant a companion shrub nearby to provide afternoon protection.
Find out what's wrong with your blue plantain lily
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
A few brown tips are normal during a hot summer. If the browning is spreading rapidly across the entire leaf, you need to adjust your watering or light levels.
Stopping it coming back
Maintain a consistent watering schedule and ensure the plant stays in partial to full shade. Adding a layer of organic mulch helps keep the soil moisture stable.
Blue plantain lily: brown tips? Check yours with a photo
Every plant is a little different. Take a photo of your blue plantain lily 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
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Questions people ask
- Should I cut off the brown tips?
- You can trim them with clean scissors for aesthetic reasons. It will not hurt the plant.
- Is my tap water causing the brown tips?
- It is possible if your water is very high in salts or minerals. Try using rainwater if you suspect this is the cause.
Guides to these causes
More problems with Blue plantain lily
- Why does my Blue plantain lily have holes in its leaves?
- Why does my Hosta ventricosa have spots on its leaves?
- Why are my Blue plantain lily leaves turning yellow?
- Why is my Hosta ventricosa drooping?
- Why is my Hosta ventricosa not flowering?
- Why is my Hosta ventricosa rotting at the base?
- Why is my Hosta ventricosa growing so tall and thin?
Back to the Blue plantain lily 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.