Well, I don't know what your outdoor temperatures are like right now but I suspect they are fairly chilly.
I would grow them indoors under lights which is what most people do. My grow rack is optimized for Sarracenia seedlings and not Drosera which is why I have it on the window sill until it can go back outdoors. If I can't get the signature red color of this plant outdoors I'll have to set up an indoor system for it.
Most South American Drosera grow in tropical highland conditions. To me that demands an airy potting mix (at least 60 percent perlite and/or coarse sand) and a nightly temperature drop of at least 10F (6C) and top watering without a lot of standing water. Most South American Drosera (especially this species) have massive roots which also means a deep pot.
Personally I would lose the "death cube" you've put it in unless of course you have no alternatives.
BTW the previous threads on this species by Tamlin say it is easy to grow and propagate. Perhaps the master will give us some pointers.