"April is the cruellest month, breeding
Lilacs out of the dead land, mixing
Memory and desire, stirring
Dull roots with spring rain."
Link below is to the wikipedia page on The Waste Land.
http://en.wikipedia.org/wiki/The_waste_land
The link below is to the full poem The Waste Land.
http://www.bartleby.com/201/1.html
And the link below is an attempt to answer why April Is The Cruelest Month.
http://everything2.com/title/April+is+the+cruellest+month
And more in the link below on other poets and April.
http://www.riverdeep.net/current/2000/04/front.140400.april.jhtml