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What is this poop-like sand doing in my pot saucer/tray? I saw them today. I lifted the pot(Dracaena Reflexa [Song of India]) and couldn't find a bug or anything. So I thought maybe it's the sand falling from the pot holes, but they are too perfect and makes me wonder if it's really sand falling from the holes or a work of art. But if it is a work of art, then who is the artist?

Also, I crushed some and found them to be sand. The plant is kept in home.

Click to zoom:enter image description here

4-K
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  • Are they approximately the diameter of the drainage holes? (Although I've never seen that happen) – J. Musser Dec 15 '16 at 01:18
  • @J.Musser Nope. They are smaller than the drainage hole. – 4-K Dec 15 '16 at 12:43
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    Look to be about the size of cockroach poop, but you'd've noticed those, and they don't hang out in pot soil. – Wayfaring Stranger Dec 17 '16 at 16:21
  • I’ve been suspicious of a coriander plant I just bought. There were little round bits of soil all on my counter. Yesterday I just took out a weevil that was on the wall. This morning I actually saw one of the soil balls jump from the pot. I’ve just put the plant outside. I take it it’s weevils that are causing this? – Lynne Hudson Aug 18 '18 at 09:17
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    Lynne, welcome to Gardening SE! Your post is a bit unclear for me - are you saying “it’s weevils that are causing the things in the picture in the question above“ or “I have a similar problem, could this be cause die by weevils”? If it’s the former, please [edit] your post to make it clearer ([answer] should help), if it’s the latter, it’s not an answer. You may always ask a new question, let me encourage you to take the [tour] and browse our [help], especially [ask]. – Stephie Aug 18 '18 at 17:25
  • @LynneHudson The ones in my case don't jump are much like soil. – 4-K Aug 23 '18 at 16:28

1 Answers1

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My hypothesis is that it is worm poop. Also known as worm castings. If there is a lot of sand in the pot that would explain why they break into sand. Here is a picture I found of worm castings from a rich soil: https://highyieldorganics.net/products/worm-castings (URL to archive version)

Ching Chong
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takintoolong
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    I'm pretty sure this is right. I see this a lot. OP is probably using garden soil. –  Apr 10 '17 at 04:19
  • Yes, exactly like this except the color. The one you showed is black I color. The one in my pic is identical to the color of soil. – 4-K Apr 11 '17 at 13:08