Quick answer: 5 native Arizona plants have a recorded bloom range that includes December.
5 species
- Apache plume Fallugia paradoxa · 8 states
- Buffalograss Bouteloua dactyloides · 19 states
- Jojoba Simmondsia chinensis · 2 states
- Little bluestem Schizachyrium scoparium · 42 states
- Rush milkweed Asclepias subulata · 3 states