LOL. I recognize your metal plantstand -- I use those for a shelf set up in front of my sliding glass doors.
As to your predicament, that depends in part on how concerned you are with "appearances". The cheapest route would be to utilize 4ft shoplights with 40W T12 daylight spectrum bulbs. This will require a stand of some sort of course ......
You could build said stand out of PVC pipe and use either the "eggcrate" light diffusers or metal racks for the shelves. PVC is relatively inexpensive and such a stand can be disassembled for storage. PVC also has the advantage of your being able to cut the pieces to size for the number and size of shelves (two is probably the most practical), and you can, via use of connectors, add on to it at a later time. You could even spraypaint the pipes black if you wish to at least present the illusion of it being wrought iron.
Far more expensive but more aestetically pleasing to most people. This would require careful measuring out unless one doesn't mind spending the money to replace mistakes. Generally not easy to disassemble unless it has been carefully designed to do so. On the plus side, it can give Bigfoot something to do other than stomping on defenseless orchids.
If you shop around at such or even haunt garage/yard sales or Craig's List, you might get lucky.