Schizachyrium 'Twilight Zone'
Schizachyrium scoparium 'Twilight Zone' is a striking native ornamental grass with narrow blue green foliage that develops an iridescent silvery mauve purple cast by midsummer before deepening into richer purple and copper tones in fall. Its upright columnar form and long lasting seasonal color bring strong structure to sunny landscapes while its feathery seed heads provide winter interest and wildlife value.
Height & Spread: 4 - 4.5 ft x 2 - 3 ft
Bloom Time: Late summer to fall
Light Requirements: Full sun
Soil Preference: Average to dry well drained soil; tolerates poor, rocky, and clay soils
Watering Needs: Low; drought tolerant once established
Deer Resistance: Deer and rabbit resistant
Native Status
Schizachyrium scoparium is native to much of eastern and central North America and is an important prairie grass for native landscapes. 'Twilight Zone' is a cultivated selection of this native species chosen for its distinctive silvery mauve foliage and upright form.
WILDLIFE & INSECTS
Birds
- Provides seeds for songbirds while its dense upright growth offers useful cover and nesting material through the seasons.
Butterflies
- Serves as a host plant for skipper caterpillars including Crossline, Dusted, and Cobweb Skippers while also contributing habitat for adult butterflies.
Spacing & Landscape Use
Spacing Recommendations
- Space 24 - 30 in apart to maintain the narrow upright form while allowing enough room for mature clumps to develop.
Landscape Placement
- Excellent for native gardens, prairie plantings, sunny borders, slopes, and mass plantings where its unusual summer color and rich fall tones create a strong vertical accent.
Companion Plants
- Echinacea purpurea 'Magnus' (Purple Coneflower) - Adds broad rosy flowers and strong midsummer pollinator appeal against Twilight Zone's fine textured foliage.
- Solidago rugosa 'Fireworks' (Wrinkleleaf Goldenrod) - Brings bright golden late season flowers that complement the grass's purple and copper fall coloration.
- Rudbeckia fulgida 'Goldsturm' (Black Eyed Susan) - Provides cheerful yellow blooms and a sturdy form that contrasts with the grass's narrow upright habit.
- Pycnanthemum muticum (Mountain Mint) - Creates a soft flowering mass that attracts pollinators and pairs naturally with the prairie character of little bluestem.
- Asclepias tuberosa (Butterfly Weed) - Adds vivid orange flowers and valuable butterfly habitat while sharing Twilight Zone's preference for sunny well drained conditions.