I don't do anything to mine. Even the sweetpeas didn't get soaked overnight (forgot)this year,so i just pushed them down into the compost, soaked it thoroughly for a couple of days and put it into the propagator. Usually put them on the windowsill, but since it was on and there was space in it, i ju...

Can't think what you could be doing wrong, because i find coriander seeds the easiest to grow. I'm on my second sowing this year. Just fill a pot with compost, sprinkle in some seeds, cover with a THIN layer of compost, water and that's it. I just put the pot into a plastic bag and then it goes on t...