Quick answer: 2 native South Dakota plants have a recorded bloom range that includes December.
2 species
- Little bluestem Schizachyrium scoparium · 23 states
- Prairie blazing star Liatris pycnostachya · 16 states
Native South Dakota species whose recorded Lady Bird Johnson Wildflower Center bloom range includes December. Timing shifts with latitude and elevation.
Quick answer: 2 native South Dakota plants have a recorded bloom range that includes December.