I used to take that "start indoors 4 to 6 weeks before last frost" stuff on the back of seed packets pretty seriously. It took me about 5 years and umpteen dead seedlings before I figured out, regardless of what the weather tables say about my climate zone, that "last frost" could be anywhere from mid-February to late April. So now, rather than trying to figure out when the last frost might be and working backwards, I always plant my  [keep reading...]