Pocket Botanist
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Check these first
- Press your finger into the soil to check for sogginess.
- Smell the soil for a sour or rotten odor.
- Check the drainage holes for blockages.
Likely causes
Overwatering
Most likelyHow to tell: The soil stays soggy and the leaves turn yellow starting from the bottom of the plant.
What to do: Let the top inch of soil dry out before watering again. Ensure your pot has drainage holes to let excess water escape.
Nutrient deficiency
PossibleHow to tell: The leaves turn pale yellow while the veins remain green.
What to do: Apply a balanced liquid fertilizer diluted to half strength once every 4 weeks. This provides the necessary nutrients for healthy growth.
Find out what's wrong with your guascas
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
Or go to pocketbotanist.app/get on your phone
When to worry
A single yellow leaf at the base is normal as the plant grows. If many leaves turn yellow at once, you have a problem.
Stopping it coming back
Avoid letting the plant sit in standing water in a saucer.
Guascas: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your guascas 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
- Can I save a plant with yellow leaves?
- Yes, if you catch it early. Trim off the yellow leaves and adjust your watering habits.
- Is it a disease?
- Usually, yellowing is related to water or nutrients rather than a disease.
More problems with Guascas
- Why is my Guascas plant drooping?
- Why does my Galinsoga have spots on its leaves?
- Why is my Galinsoga wilting and the soil smells bad?
- Why is my Galinsoga growing tall and thin?
- What are these spots on my Guascas leaves?
- Why are my Galinsoga parviflora leaves getting brown tips?
- Why is my Galinsoga parviflora dropping its leaves?
- Why are my Galinsoga parviflora leaves curling?
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.