http://www.lovethegarden.com/how-to-grow/herbs?gclid=CJbyvu6v_LYCFZIPtAodcyIAjQ Use a good rich compost, water it and when established, feed - I use Miracle Grow Herb planter - try looking at the link above I find this site helpful, good luck!
carrust, I am the second peorson then that can kill mint.! I have tried everything and each year it dies and I have to go and buy more. What am I doing wrong. In a pot in the garden sun ? shade? I just cannot keep it.! x