@Dan420,
When to harvest - #2 by latewood
I highly recommend taking a moment to check out the free grow bible.
http://www.ilovegrowingmarijuana.com/wp-content/uploads/guides/Ilovegrowingmarijuana.com-grow-bible.pdf
http://www.ilovegrowingmarijuana.com/wp-content/uploads/guides/Ilovegrowingmarijuana.com-plantcare-guide.pdf
Good luck bud.