Quick answer: 4 native Idaho plants have a recorded bloom range that includes November.
4 species
- Little bluestem Schizachyrium scoparium · 42 states
- Shrubby cinquefoil Dasiphora fruticosa ssp. floribunda · 23 states
- Sideoats grama Bouteloua curtipendula · 38 states
- Switchgrass Panicum virgatum · 43 states