I want grow long hair.advice please....?

My hair is very wavy n curly it is very hard to manage if its grow up more than one month...coz it will look like a birds nest :/ because of this always I had a short hairstyle...now I have been growing my hair for the past one month and I look like a total mess.I know u need patience to grow hair...any suggestions? tips? can I cut the hair above my ears? coz its verryy curly..i want to grow out my hair like this.http://worldhairstyles.com/wp-content/uploads/2009/07/Bale-Wavy-Long-Hair.jpg