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Dallas Blues is a switch grass cultivar that is noted for its grayed blue-green foliage, dense habit, unusually large flower panicles, late flowering and rich winter foliage color. It is a clump-forming, warm season grass that typically grows in a dense, upright, vase-shaped clump to 5′ tall. Grayed blue-green foliage is wider than most panicums, and foliage turns attractive shades of rust brown to warm tan in winter. Stems typically retain vertical form without flopping throughout the growing season and into winter.
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Easily grown in average, medium to wet soils in full sun to part shade. Tolerates a wide range of soils, including dry ones, but prefers moist, sandy or clay soils. May flop in overly rich soils. Generally performs best in full sun. Will grow in part shade, but begins to lose its form in too much shade, growing more openly and possibly falling over. Grows primarily in clumps, but may slowly spread by creeping rhizomes. Cut back clumps to the ground in late winter to early spring.
| Common Name | 'Dallas Blues' Switchgrass |
|---|---|
| Botanical Name | Panicum virgatum 'Dallas Blues' |
| Container/Amount | 3 gallon |
| Evergreen or Deciduous | Evergreen |
| Hardiness Zone | 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b |
| Growth Rate | Average |
| Light Requirements | Part-shade, Part-sun, Sun |
| Height | 4 to 6' |
| Width | 2 to 3' |
| Soil Condition | Well-drained |
| Water Needs | Average |
| Blooming Period | summer/early winter |
| Flower Color | purple tinge |
| Fragrance | No |
| Foliage Color | blue green |
| Deer Resistant | Yes |
