Quick answer: 4 native Arkansas plants have a recorded bloom range that includes December.
4 species
- Buffalograss Bouteloua dactyloides · 9 states
- Ozark witch-hazel Hamamelis vernalis · 1 states
- Prairie blazing star Liatris pycnostachya · 16 states
- Witch-hazel Hamamelis virginiana · 28 states