I am growing them inside and outside in a 10'x12' screen tent. The mlikweed is potted that I am using in the tent, but inside I use a different method that helps the leaves stay fresher.
> Set up for using Glad Containers to Rear
> Raising Monarch Video and Pictures
> Using a Screen Tent to Rear
> CAUTION: Never buy tents with the metal on the inside. The metal
> will fry the pupae that attach to them and they will attach to them.
> Been there done that--it is not pretty to see what happens.