Dallas Blues Switch Grass

Panicum virgatum 'Dallas Blues'

Carefree and colorful native grass for multi-season beauty. Wide, powder-blue leaves backdrop large, airy reddish purple plumes that emerge in early autumn and are stunning in cut arrangements. The seed heads persist to provide winter interest and food for birds. A showy accent, or plant en masse for dramatic effect.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Your climate might be too cold for this plant:


Full sun, Partial sun

Water regularly - weekly in extreme heat; less often, once established.


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LoreThis grass is a vital component of the American prairie where a wide range of wildlife thrives within its dense thatch and feeds upon the foliage and seeds.
Average Size at MaturityUpright clump of pendant foliage 5 ft. tall and wide.
Bloom TimeSummer
Design IdeasA big bold grass to spot into a dull bed or border to add interest and animation. Outstanding generously integrated into wild gardens, meadow edges and prairies. Lush appearance is also suited to modern architecture in masses both irregular and geometric. Drifts and irregular clumps are ideal for rustic home sites.
Deciduous/ EvergreenHerbaceous
Flower AttributeShowy Plumes
Flower ColorRed
Foliage ColorBlue-green
Garden StyleContemporary, Rustic
Growth HabitClumping
Growth RateFast
Landscape UseFirescaping/Fire Wise, Mass Planting, Cutting Garden, Hillside, Coastal Exposure
Light NeedsFull sun, Partial sun
Soil NeedsAll-Purpose Plant Food
Special FeatureDramatic Foliage Color, Extreme Cold Hardiness, Fall Color, Naturalizes Well, North American Native Selection, Waterwise, Bird Friendly
Water NeedsModerate
Watering NeedsWater regularly - weekly in extreme heat; less often, once established.
Companion PlantsBarberry (Berberis); Black-Eyed Susan (Rudbeckia); Potentilla (Potentilla); Weigela (Weigela); Aster (Aster)

Thrives in lean, sandy to clay soils but tolerates a wide range of moisture and soil conditions. May flop in overly rich soils. Water regularly during the first growing season to establish a deep, extensive root system. Forms clumps; may slowly spread by rhizomes. Cut back to the ground in late winter to early spring.

This Plant's Growing Zones: 4-9

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant