Hey so like idk if you will have the answer or want to answer BUT JUST IN CASE ok so like 3 weeks ago I got a teeny bag of mixed cactus seeds and now I have about 4 seedlings and they keep falling over and are turning orange like are they dying??!! And also they are all in a small plastic cup with a plastic snap on lid … And I put them in the window every other day … Like I have no idea how to take care of them ??!????? Ummmm I will post a picture on my blog so you can see.
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I have to admit, the photo is a little hard to make out, but here are a few suggestions:
-They may be getting to much light. They like moist air as seedlings, but not a sauna. I’ve always grown from artificial light, so you may need to back off on the natural light or keep it filtered with a sheer curtain.
-If you think the orange color is mold or fungus, you can treat them with a light spray of vinegar solution.
-If you have leftover seed, be sure to sterilize the pots and substrate before resowing.
Best of luck,
cactguy