I've tried Red Temple two times now and both times it has gradually turned to mush instead of taking root. The first time it was in fairly poor condition from a mail-order purchase and I attributed it to that plus insufficient experience.
This time I got healthy steams with roots starting to sprout - Got them from a LFS
and put them quickly in the tank before they had time to spoil. My tank was about 75 degrees, 6.5-6.6 PH, and 48 watts in a 20 gallon tank. The other plants did fine (there was red ludwigia [repens] in the same batch). Is there something finicky about Red Temple?