Pycnanthemum tenuifolium

If you're looking to attract pollinators, this is the plant for you. During its month-long bloom, set up a chair and watch the parade of bees, wasps, flies, butterflies and beetles. White-green foliage and flowers are strongly mint-scented. This plant is very deer-resistant, and can even protect other plants from deer! Just plant it very close to (or even in the same planting hole as) the deer-favorite plants.

Photo © Doug McGrady,CC BY 2.0