Then this is the article for you: Becoming a Haiku Poet by Michael Dylan Welch. It's everything you need to know to get started, set out clearly and with examples.
While at his website, stop and take a look around. There is much to read and ponder.
And if you're up for a challenge, Welch has started NaHaiWriMo - a haiku a day for the month of February. That's only 28 days people!