I agree dchall, I have never seen seed that didn't have some percentage of germination, but you didn't answer the implied question: Under ideal temperature and moisture conditions, why wouldn't at least some seed germinate? Based on the OP's post, soil contact for moisture maintenance is not an issue as the OP mixed some seed into the soil and spread some on top. Edit. Just an afterthought. Where did you get the soil that you used? Do you know What that soil's history is? This post was edited by yardtractor1 on Thu, May 15, 14 at 23:49

I would leave them alone until there is no more possible threats of frost, so like in April maybe. Reason is that even thought that dying foliage is ugly, it will protect the rest of the plant and root from more damage in future frosts. It's only early January and we could have several more frosts until spring. If you cut it now, what's left could be damaged again, even maybe down to the roots. So I'd just leave it for now, and cut it back in April. But do water it if we don't get any rain for 2-3 weeks. A well watered plant handles frosts better than a dry one.

The peace lily is not a lily, it's true name is spathiphyllum. Try posting in houseplants. I have several of them. I do think it was too much water. I "saved" one by taking it out of the pot and letting the rootball dry for a few days. It never did look really good afterward, though.

From the pictures, doesn't look like anything is really wrong. Old leaves are supposed to droop and die, then new ones replace them. The Pleiospilos with the flower bud is blooming out of season so it's all mixed up, plus it needs full sun to get the blooms to open, plus it likely is in root shock from the repotting so no surprise it isn't performing at its best. You really should put each plant into its own pot, they don't all share the same growing needs so you can't really take care of them properly that way. Second thing is try to ID what you have and learn about their growth needs. Reading and learning is the key. Don't be discouraged by the inevitable early failures. Read more about appropriate soil mixes, pots, sun and temperatures. If you have the ability to grow these outdoors they will be much healthier than indoors. Succulents are not good houseplants. They are good at tolerating poor conditions but that doesn't necessarily make them for a windowsill. x