1 plant of mine has died, after only a few days, about an inch high and the green leaves looked fine, but the stem near the soil was dark and smaller than the rest and ended up just limping over, only the stem was black, and the rest was fine. Any help? NEEEDD help quick, 2nd plant is looking similar. Ill post undated pictures soon, here is what im working w/ http://forum.grasscity.com/showthread.php?t=86214