My first blog post went up on December 6, 2007, which means I have seven happy years to celebrate on this blogoversary. In that first post I wondered whether 67 was too old to begin blogging. I  guess I didn't need to worry. I don't have statistics until 2010, but since then I have written 1582 posts and received over 6000 comments. I don't feel a day older and there are many new ideas and plants, and gardeners out…