Pocket Botanist
Check these first
- Touch the soil to see if it is dry.
- Check if the plant is in direct afternoon sun.
- Look for signs of wilting in the early morning.
Likely causes
Underwatering
Most likelyHow to tell: The soil feels dry to the touch and the stems look limp or wilted.
What to do: Water the plant thoroughly until the soil is damp again. Maintain a schedule of watering every 2 to 4 days to keep the soil consistently moist.
Heat stress
PossibleHow to tell: The plant wilts during the hottest part of the day but perks up in the evening.
What to do: Provide a bit more shade during the afternoon hours. Mulch around the base of the plant to help keep the roots cool and retain moisture.
Find out what's wrong with your great blue lobelia
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
If the plant stays wilted even after you water it and the sun goes down, the roots may be damaged. It is normal for plants to wilt slightly in extreme heat.
Stopping it coming back
Keep the soil consistently damp and apply a layer of organic mulch to protect the root zone.
Great blue lobelia: drooping? Check yours with a photo
Every plant is a little different. Take a photo of your great blue lobelia 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.
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Or go to pocketbotanist.app/get on your phone
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Questions people ask
- Should I mist my lobelia to stop the drooping?
- Misting does not help much. Focus on keeping the soil damp instead.
- Can I save a plant that has completely collapsed?
- Yes, give it a deep soak and keep it out of direct sun for a few days. It often bounces back if the roots are still healthy.
Guides to these causes
More problems with Great blue lobelia
Back to the Great blue lobelia 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.