Here's a quick article from one of my favorite garden writers shared especially for all of my green thumb fans (you know who you are!).

When you plant doesn't bloom, you get mad. When you get mad, you spray graffiti on the White House. When you spray graffiti on the White House, you get sent to summer camp in North Korea. Don't get...

http://thedailysouth.southernliving.com/2013/07/21/10-reasons-your-plants-wont-bloom/