Quick answer: 23 native Alabama plants have a recorded bloom range that includes March.
23 species
- American holly Ilex opaca · 24 states
- American sycamore Platanus occidentalis · 24 states
- Black cherry Prunus serotina · 32 states
- Carolina jessamine Gelsemium sempervirens · 9 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Eastern red cedar Juniperus virginiana · 36 states
- Eastern red columbine Aquilegia canadensis · 36 states
- Eastern redbud Cercis canadensis · 30 states
- Flowering dogwood Cornus florida · 22 states
- Mayhaw Crataegus opaca · 3 states
- Maypop passionflower Passiflora incarnata · 13 states
- Mountain azalea Rhododendron canescens · 9 states
- Northern spicebush Lindera benzoin · 16 states
- Orange azalea Rhododendron austrinum · 5 states
- Pink evening primrose Oenothera speciosa · 8 states
- Red buckeye Aesculus pavia · 9 states
- Sassafras Sassafras albidum · 22 states
- Southern live oak Quercus virginiana · 13 states
- Sweetgum Liquidambar styraciflua · 22 states
- Two-wing silverbell Halesia diptera · 5 states
- White oak Quercus alba · 33 states
- Wild blue Phlox divaricata · 32 states
- Woodland pinkroot Spigelia marilandica · 4 states