) Each pot always has at least 3 heads so taking one small one is unnoticeable anyway, and cacti often end up getting thrown out because they rot! I think of it as a rescue... Last week I took 6 small offsets/cuttings, 2 were Chamaecereus silvestrii and one was a small Opuntia microdasys rufida pad, but the others are unknown, there was one columnar which I know I've seen before (blueish colouration and red-brown new spines that turn white) and one that might be a Parodia, and then one that was tiny and I've never seen before, it was in a small clump.
I left them all to callous for at least a few days, and three have been callousing all week. I've now placed them all just on top of some dry compost, the same that I use for my other cacti. I'm a little worried though and I really want them to root, are they okay just resting on top of the compost? Because not all of the bottom touches the soil due to the grit. The clumping cactus offset is really small (8-10mm diameter) is there a 'limit' to how small offsets have to be to root? I'm not sure on how to root any of these cacti, I hope you can help!
Lastly, I took an Astrophytum myriostigma last year in November which was let to callous over december, I potted it in early January but once again I'm not sure on how to care for it. How long does rooting tend to take?
I hope there's not too many questions!
