Guenther_Amanita

I also saw the other pics. If you zoom in closely, you can see fat aphids. Those white flakes are their exoskeletons they shed when maturing.

Get some neem oil and silicate, that will get rid of them and make the plant more resistant for upcoming generations of the pest.

Jep. I had this one for exactly one year now in semi-hydro.

The old roots rotted off, and new ones from fresh bulbs formed and adapted to the new conditions :)