Sorghastrum nutans

RC Big Rock Switchgrass

RC Big Rock Switchgrass

RC Big Rock is a new late season variety of upland switchgrass developed from Cave-in-Rock. Its distinct traits include tall height and high yield potential. Its tall height provides a high-quality habitat for deer and it is an excellent food source for pheasants and quail. It has a noteworthy winter haridiness as it is a late-season switchgrass with approximately 9 days later maturity than Cave-in-rock. RC Big Rock is a large, seeded variety selected for reduced seed dormancy, increased seed weight and increased seedling vigor. It grows well on diverse soil types and has a wide regional adaptation to the midwest and northeast regions.

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Key features

  • Late-season upland switchgrass
  • High yield potential
  • Grows up to 7' tall
  • Reduced seed dormancy
  • Grows on diverse soils

Segment Natives & wildflowers
Category Native Grasses
Species Native grasses
Sci. Name Sorghastrum nutans
Approx. Seeds/Lb. 258,800
Seeding Depth (Inches) 1/4-1/2
Seeding Rate - Alone/New (Lbs./Acre) 7-10