Check these first
- Touch the top inch of soil to check for dampness.
- Inspect the drainage holes to ensure they are not blocked.
- Look for signs of pests on the undersides of the yellowing leaves.
Likely causes
Overwatering
Most likelyHow to tell: The leaves feel soft or mushy and the soil stays wet for more than a week.
What to do: Stop watering until the top inch of soil is completely dry. Ensure your pot has drainage holes so excess water can escape.
Nutrient deficiency
PossibleHow to tell: The older leaves turn pale yellow while the veins remain green.
What to do: Apply a balanced liquid fertilizer diluted to half strength once during the growing season. Do not overfeed as this plant prefers lean soil.
Find out what's wrong with your clasping venus looking glass
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.
Scan with your phone's camera to get the app
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When to worry
It is normal for the very bottom leaves to yellow and die back as the plant finishes its life cycle. Be concerned if the yellowing spreads rapidly to the top of the plant.
Stopping it coming back
Stick to a consistent watering schedule and never let the plant sit in a saucer full of water.
Clasping Venus looking glass: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your clasping venus looking glass 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 cut off the yellow leaves?
- Yes, you can snip them off with clean scissors to keep the plant looking tidy. This also helps you see if the yellowing is continuing to spread.
- Can low light cause yellow leaves?
- Yes, this plant needs full sun to partial shade. If it is in a dark corner, it will struggle and eventually show yellowing.
More problems with Clasping Venus looking glass
- Why is my Clasping Venus looking glass drooping?
- Why is my Clasping Venus looking glass getting leggy?
- Why are there spots on my Clasping Venus looking glass?
- Why are my Triodanis perfoliata leaf tips turning brown?
- Why is my Triodanis perfoliata dropping leaves?
- Why is my Triodanis perfoliata not blooming?
- Are there bugs on my Triodanis perfoliata?
- Is my Triodanis perfoliata suffering from root rot?
Back to the Clasping Venus looking glass 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.

