It's getting warmer and the gardening bug is getting to all of us, but why not try to do a little more green gardening this year? Here are some helpful tips on how to garden the eco-friendly way. 1.  Don't plant too deeply, just plant the height of the pot and you will not cause the plant or vegetable to go into stress.  2.  Plant a canopy tree this year that will provide more shade and less air conditioning this summer. 3.  Read...