Pocket Botanist
Check these first
- Look closely at the leaves for white, powdery patches.
- Check the undersides of the leaves for tiny insects.
- Ensure the plant has enough space for air to move around it.
Likely causes
Powdery Mildew
Most likelyHow to tell: You will see a white, dusty fungal growth appearing on the surface of the leaves.
What to do: Improve air circulation around the plant immediately. Wipe the leaves with a damp cloth and use a neem oil spray if the infection persists.
Aphids
PossibleHow to tell: Small, soft bodied insects cluster on the undersides of leaves or new growth, leaving behind sticky residue.
What to do: Wash the plant gently with a mild soap and water solution. Repeat this process every 5 days until the insects are gone.
Find out what's wrong with your polka dot plant
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
Small, natural color variations are part of the plant's beauty. Worry if the spots are fuzzy, sticky, or causing the leaves to deform.
Stopping it coming back
Avoid overhead watering to keep the foliage dry and ensure the plant is not crowded by other pots.
Keep your polka dot plant healthy from here
Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked. Identification and a health check are free.
Questions people ask
- Are these spots part of the plant's natural pattern?
- Yes, healthy polka dot plants have natural pink, red, or white splashes. If the spots are fuzzy or white, they are likely a fungus.
- Can I use chemical sprays?
- It is better to stick to gentle methods like soap or neem oil. This plant is delicate and can react poorly to harsh chemicals.
More problems with Polka Dot Plant
- Why is my polka dot plant getting so tall and leggy?
- Why does my polka dot plant look sick and mushy?
- What are these tiny bugs on my polka dot plant?
- Why are my polka dot plant's leaves turning yellow?
- Why is my polka dot plant drooping?
- Why are my polka dot plant's leaf tips turning brown?
- Why is my polka dot plant dropping leaves?
- Why are my polka dot plant leaves curling?
Back to the Polka Dot Plant guide
This article was generated with AI from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.