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Since 2 weeks I have noticed that the leaves on my pilea started to have clusters of small dark spots. I'm wondering if it is a bad sign and whether I should do something or change something.

So far, I made sure that the soil can be drained enough, by using a clay pot, with drainage holes, and I put some clay small balls at the bottom of the soil.

I haven't repotted it for ~18 months and the plant is ~ 2.5 years old.

I really like that plant, so how can I make sure it keeps on thriving? :)

Picture of the black spots Pictore of the black spots from opposite side

  • pictures help a ton – Barry Cosemans Oct 28 '19 at 20:10
  • @BarryCosemans Sorry, somehow the original post didn't inclue them, it's fixed now :) – Clement Herreman Oct 28 '19 at 20:13
  • Have you inspected for whiteflies and aphids? Is it just the top leaves or are they the most affected, or is it the whole plant? – Barry Cosemans Oct 28 '19 at 20:37
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    I can't see the main stem of the plant clearly - are there any bumps or shield shaped objects attached to it? There's something going on on the underside of the leaves, maybe something attached to the main rib or vein of the plant in your image, can you check that out with a magnifying glass? All the black bits are emanating from the veins on the leaves, something's got into or tapping into the sap stream...just not sure what, the photo resolution's not high enough to become under magnification on here – Bamboo Oct 28 '19 at 21:14
  • @BarryCosemans no signs of aphids. Another plant I have caught some whiteflies, could it be linked? Noob gardener here, I learned about whiteflies on that plant 2 days ago, when a friend of mine dropped by my house. – Clement Herreman Oct 29 '19 at 8:42

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