Wife and I did this when we moved here (free craigslist palms). All four palm trees died after being transplanted. They weren't even that big, maybe 5ft, but boy did they take a bunch of sweat equity (we dug out a massive chunk of dirt and roots for each one). We laughed the whole way home because we knew we had gotten in way over our heads. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.