Blue Vervain is a perennial wildflower native to every region of the United States where it can often be found growing moist meadows and alongside rivers and streams.
Plant grows to about 5 feet in height and produces tall spikes of small, tubular, violet-blue flowers that bloom from July through September.
Attracts numerous species of bees and butterflies and is an important food source for many types of birds and small mammals.
Direct sow seeds in late fall by lightly pressing the seeds into the surface of the soil. For spring planting, mix seeds with moist sand and store in the refrigerator for 30 days before planting.