In March of 2006 I found a Dypsis pembana in a 5 gallon pot for a great price which today in 2007 I can't remember. I'm sure it was less than $30.
I decided to plant it here on Kong's Hill. To insure good drainage I dug a trench and filled it w/red cinder as you can see in the following photos.
I took it out of the pot and carefully placed it in the hole. I then ran the irrigation to the new "baby".