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I got these new plants from Walmart just a week ago ( Monday ) and I did some research saying to water them once a week so I waited until Wednesday to water them. The research told me to water until water came out of the little hole at the bottom which I did. I think I should have cleaned the water that came out of the hole but I didn't. No where did it say to do that and by the design of this pot I thought it would just go back into the soil. Now it's a Monday after I got these plants and I just noticed this thing growing from the little hole where water should come out. I have no idea what this is or if this is hurting my new plants and I am very scarred right now. I touched it and it was very wet and slimy before I washed my hands. Could someone please tell me why this happened and how to get rid of it please? This is my first time taking care of cactus and a succulent so this is very distressing for me. Thank you for reading this and helping me out if you do.

Edit: Thank you all for the tips with watering my new plants and the growth turned out to be a mushroom that I believe was already in the soil when I got it. I think I was freaking out so much is because that side of the plot was facing away from the window and for some reason I thought it was a pebble. I wasn't able to take a picture of it but I found a photo online that looks similar to the one in the pot. Again thank you all for the tips with taking care of my new plants. :)

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( those are also around the same size as the one in the pot )

  • I just have to add that it is not a good thing to completely soak the soil of cactus, succulents. All other plants, fine. – stormy May 23 '17 at 1:36
  • But this is a big pot for plants with very shallow roots. For plants that are accustomed to a quick rain and then nothing for days or weeks. These plants store their own supply of reserve water. A little too much water and you will kill these plants. – stormy May 23 '17 at 1:36
  • Never ever allow these plants to sit in a saucer of water. When your plants are older and accustomed to the depth of soil in this pot you will be able to soak the soil once and not water again for possibly a month or more. Right now, these plants are babies but do not water once per week. Only water when the soil is dry 1 to 2 inches below the surface. Do not water so thoroughly to see water coming out of the drainage holes into the saucer. A better pot would be a clay pot only 3" or 4" in height. Ignore this plant as much as you are able. – stormy May 23 '17 at 1:37
  • ... They will love you for the abuse!! This slimy thing is not hurting your plant. Relax. Just shows too much water that this plant is unable to uptake. Next will be root rot so look up sites about cactus and succulents. – stormy May 23 '17 at 1:38

Well it looks like a fruiting body from a fungus, but not one I recognise. First, let's just clarify, when you water a houseplant, you should always empty out the tray beneath after 30 minutes, so that the base of the pot is not left sitting in water. You should only water when the surface of the compost feels dry to the touch, but not so dry its shrunken from the sides of the pot. Watering well when you do water is a good thing, but you will need to reduce the amount of water you give in winter, watering only sparingly.

I suggest you put on some rubber gloves, pick up the pot, break off the growth, and if you can bear to, lay it on some kitchen paper and take another photograph - I'd like to have a look at the entire thing, just to try to identify it, but otherwise, just bin it. Ensure the drainage holes in the pot are not blocked. Fungal spores are everywhere, including in the air you breathe - the soil in the pot obviously has some fungal mycelium present, and I imagine this is a fruiting body from that, but to be honest, I've never seen one like that before. You should not worry though, its a perfectly natural phenomenon, if a little unusual. If you repotted the cactus into your own pot with extra soil, its possible the mycelium was present in the soil you used.

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