Quick answer: 2 native Pennsylvania plants have a recorded bloom range that includes January.
2 species
- Slippery elm Ulmus rubra · 30 states
- Virginia springbeauty Claytonia virginica · 28 states
Native Pennsylvania species whose recorded Lady Bird Johnson Wildflower Center bloom range includes January. Timing shifts with latitude and elevation.
Quick answer: 2 native Pennsylvania plants have a recorded bloom range that includes January.