>>1804705it will work best if you can put it in a dark cup or container or tray, and keep it out of direct sun
change the water every couple days
I'd try to get one at least about pencil-thick; if you can't get a nice, straight cut off the plant, use a clean, sharp knife instead of shears to fix up the end afterword
keep an eye out for ones going mushy on the end...you win some, you lose some....mostly it works pretty well
>pic related from 2 years ago where I had tons I stuck into whatever I had laying around>couldn't even give them away free so I haven't bothered with doing it again 