Last week I introduced here a diversified portfolio of 10 stocks that currently possesses a 4% dividend yield and suggested that if we took the last five years of Dividend Growth Rates as a proxy for future growth, then the average Future Dividend Growth Rate of this portfolio would be 10% per year. There were many comments that suggested I reassess the assumptions of extrapolations based on the last 5 years of Dividend Growth Rates because, as one commenter stated: "Trees don't grow up to the sky" .