This is kent oregano. It's not only a wonderful herb but also a favorite of hummingbirds.
Bird Feeders For Every Backyard - DIY Bird Feeders - Good Housekeeping
Bees Carry Pollen In Bags On Their Legs & Can Carry Up To Their Own Body Weight
Plants for Backyard Birds - Encourage birds to nest in your yard by planting a habitat garden featuring their favorite plants l This Old House