Foxy Lady: dont feel bad,we got more snow last night.like we need it.ANY plant can be grown without soil.as longs as it gets the right nutrients,water & sun.much research has been one on this.I even have a freind here:
http://www.plant.uoguelph.ca/index.html
they have managed to put small plants,small fish ,nurients in a sealed glass container & create a self sustaining eco-system.