My articles have a pair for Kwanzaa entertaining, a pair for Christmas decorating, and a trio about reindeer. These articles are scattered between Environmental Graffiti and Suite 101.
First, consider writing at least some "evergreen" articles that you can re-publicize from time to time.
Second, do so! Promote your worthy-of-a-second-read articles.
In this situation, I now have a slightly different blog post in DeHaan Services plus the excuse to mention it in my social media and social bookmarking sites.