Dewey Blue Switchgrass

Dewey Blue Switchgrass (Panicum virgatum ‘Dewey Blue’)

Dewey Blue Switchgrass (Panicum virgatum ‘Dewey Blue’) is a cool-season ornamental grass known for its striking blue-green foliage and upright, arching habit. This perennial adds vibrant color, texture, and seasonal interest to mixed borders, naturalistic landscapes, and prairie gardens.

Distinctive Features

‘Dewey Blue’ forms dense clumps of slender, arching leaves with a distinctive powdery blue hue that stands out throughout the growing season. In late summer, airy tan flower panicles emerge, providing softness and movement.

Growing Conditions

• Sun Exposure: Full sun to partial shade
• Soil: Well-drained soils; tolerates a range of soil types
• Water: Moderate; prefers consistent moisture but tolerates short dry periods
• USDA Hardiness Zones: 4 to 9

Ideal Uses

• Mixed Borders: Adds vibrant blue color and vertical texture
• Naturalistic Landscapes: Enhances prairie and meadow gardens
• Accent Planting: Creates striking focal points
• Low-Maintenance Gardens: Performs well in diverse soil and moisture conditions
• Wildlife Gardens: Supports pollinators and beneficial insects

Low Maintenance Care

• Watering: Maintain moderate moisture; drought tolerant once established
• Pruning: Cut back old foliage in late winter or early spring to promote fresh growth
• Fertilizing: Apply balanced fertilizer in early spring if needed
• Mulching: Mulch to conserve moisture and suppress weeds
• Protection: Prefers sheltered sites away from harsh winds

Why Choose Dewey Blue Switchgrass?

• Striking Blue-Green Foliage: Adds bold color and texture to landscapes
• Upright Arching Habit: Provides elegant structure and movement
• Seasonal Flower Panicles: Adds softness and visual interest in late summer
• Versatile Use: Suitable for borders, mass plantings, and naturalistic gardens
• Low Maintenance: Easy to grow with minimal care

Panicum virgatum ‘Dewey Blue’ is a vibrant, low-maintenance ornamental grass that enhances landscapes with striking color and graceful form.