Vervain - Blue (Verbena hastata)
Blue Vervain can offer a strong upright accent to any perennial garden or prairie/savanna. The small, tubular, blue-violet flowers bloom from the bottom up in July's heat. The numerous crowning spikes of blossoms give a candelabra-like appearance to this graceful plant.
Sun Exposure - Full, Partial
Soil Moisture - Wet, Medium-Wet, Medium
Height - 5 feet
Bloom Time - July, August, September
Bloom Color - Blue
Photo courtesy of Prairie Moon Nursery.