Yeah, I was just thinking about that. I've been trying to find a reason to use some vermiculite anyway. [img]http://www.**********.com/iB_html/non-cgi/emoticons/wink.gif[/img] I'll probably try that with a few of them. I was also thinking about just using milled sphagnum. I may try them on an enclosed porch. It get's south and west sun, day temp up to about 90f in a mini-greenhouse, night temp down to 60f at the least.