These tall plants bloom in late summer with slender spikes of azure-blue flowers. The whorled blooms are densely packed at the end of each flowering stem. Narrow, lance-shaped, gray-green, basal foliage with smaller stem leaves.
Grow in full sun in dry to average soil. Pinch plants back twice during the growing season to keep them shorter and bushier.
Native Environment: Prairie
Plant Type: Herbaceous perennial
Height: 3 to 5 feet
Spread: 2 to 4 feet
Bloom Time: July to October
Bloom Description: Azure blue
Sun: Full sun
Soil Moisture: Dry to medium
Soil Description: Limestone-based, Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Water Use: Low
Attracts: Butterflies, Bees, Hummingbirds, Pollinators/Beneficial Insects
Wildlife Benefit: Nectar
Special Value: Native Bees & Bumble Bees
Tolerate: Deer, Drought, Dry Soil, Shallow-Rocky Soil