Pocket Botanist
Check these first
- Inspect the undersides of leaves for tiny insects.
- Ensure the plant has enough space for air to circulate.
- Water only at the base of the plant to keep leaves dry.
Likely causes
Fungal Leaf Spot
Most likelyHow to tell: Small brown or black circles appear on the leaves, sometimes with a yellow halo. These spots often spread during humid weather.
What to do: Remove the affected leaves immediately to stop the spread. Improve airflow around the plant and avoid getting water on the foliage when you irrigate.
Scale Insects
PossibleHow to tell: Small, hard brown bumps appear on stems and leaf veins. These bumps can be scraped off with a fingernail.
What to do: Dab the scale insects with a cotton swab dipped in rubbing alcohol. Repeat this process every 7 days until the infestation is gone.
Find out what's wrong with your common jasmine
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 spots are manageable, but if they cover most of the foliage, the plant will struggle to photosynthesize. Take action as soon as you notice the spots spreading.
Stopping it coming back
Water the soil directly rather than overhead, and keep the plant in a well-ventilated area.
Common jasmine: spots? Check yours with a photo
Every plant is a little different. Take a photo of your common jasmine 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
- Are these spots contagious to other plants?
- If the spots are fungal, they can spread through water splashes. Keep infected plants away from your other greenery.
- Can I use neem oil?
- Yes, neem oil is effective for both fungal spots and scale. Apply it in the evening to avoid leaf burn from the sun.
Guides to these causes
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- Why are my common jasmine leaves curling?
Back to the Common jasmine 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.