I do not know if my procedure is right but it works. I have a combo tender bulb pot.
In the pot is a Peruvian daffodil, Amarylis, and Hymenocallis Ismene Festalis.
I bring it in and store the pot in the back of the laundry room that is 55-60 degrees all winter. It is stored there from Oct. - March. I sprinkle some water on top of the pot Dec. and, Feb. (note I said sprinkle that is about one handful of water on top of the soil) March I bring it up and put just enough water on them so the soil is moist. (This is enough water to moisten the soil not enough to drain) I start seeing growth by the end of March.
I continue with a little moisture until I take them out in May. Usually My Amarylis blooms first, then the Hymenocallis -Ismene Festalis, Last is the Hymenocallis Ismene Festalis.
I change the soil every 2 yrs after everything has bloomed. I do the change very careful as not to disturb the roots too much. I do that by not doing a total change just remove as much soil as possible without getting all the soil off. It is important to feed them once a month so they are well feed after bloom so you get good blooming bulbs the next summer.
