Lobelia cardinalis

The electric red flowers of cardinal flower are beacons for hummingbirds. This is one of our (and the hummers') favorite flowers. Some features that are particularly appealing for us is that it is a perennial (and, in fact, it has reseeded in our garden) and we can grow Cardinal flower in partial shade. Also, cardinal flower likes wet feet, and we have previously grown cardinal flower in our small garden pond.