Where are the places that grow coffee beans?

Can I put coffee beans in a mango tree?

• I heard coffee helps grow plants faster. my mango tree is 6 ft high tree now, and I want it to grow faster. should I throw coffee beans on to it. you can write whatever answers you want, don't worry, I will not report. http://www.gomestic.com/Gardening/Why-Coffee-Effects-the-Growth-of-Plants.573489

• Answer:

  You can mix used coffee grounds into the soil as a slow-release nitrogen fertilizer. But you can't just use unused beans.