Quick answer: 53 native Florida plants have a recorded bloom range that includes March.
53 species
- Allegheny chinquapin Castanea pumila · 9 states
- American hornbeam Carpinus caroliniana · 29 states
- American olive Osmanthus americanus · 4 states
- American sycamore Platanus occidentalis · 24 states
- Atlantic white cedar Chamaecyparis thyoides · 12 states
- Beach sunflower Helianthus debilis · 1 states
- Black cherry Prunus serotina · 32 states
- Boxelder Acer negundo · 14 states
- Carolina jessamine Gelsemium sempervirens · 9 states
- Cocoplum Chrysobalanus icaco · 1 states
- Common blue violet Viola sororia · 21 states
- Common hoptree Ptelea trifoliata · 12 states
- Coral bean Erythrina herbacea · 6 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Crossvine Bignonia capreolata · 5 states
- Eastern bluestar Amsonia tabernaemontana · 8 states
- Eastern cottonwood Populus deltoides · 14 states
- Eastern leatherwood Dirca palustris · 5 states
- Eastern red cedar Juniperus virginiana · 36 states
- Eastern red columbine Aquilegia canadensis · 36 states
- Eastern redbud Cercis canadensis · 30 states
- Farkleberry Vaccinium arboreum · 5 states
- Flowering dogwood Cornus florida · 22 states
- Fringed bluestar Amsonia ciliata · 2 states
- Jack-in-the-pulpit Arisaema triphyllum · 14 states
- Leavenworth's tickseed Coreopsis leavenworthii · 1 states
- Loblolly pine Pinus taeda · 14 states
- Longleaf pine Pinus palustris · 6 states
- Maypop passionflower Passiflora incarnata · 13 states
- Mountain azalea Rhododendron canescens · 9 states
- Narrowleaf blue-eyed grass Sisyrinchium angustifolium · 2 states
- New Jersey tea Ceanothus americanus · 31 states
- Northern spicebush Lindera benzoin · 16 states
- Orange azalea Rhododendron austrinum · 5 states
- Possumhaw Ilex decidua · 7 states
- Red buckeye Aesculus pavia · 9 states
- Red maple Acer rubrum · 30 states
- River birch Betula nigra · 23 states
- Sassafras Sassafras albidum · 22 states
- Saw palmetto Serenoa repens · 2 states
- Scarlet sage Salvia coccinea · 3 states
- Shumard oak Quercus shumardii · 5 states
- Silver maple Acer saccharinum · 18 states
- Smooth Solomon's seal Polygonatum biflorum · 13 states
- Southern live oak Quercus virginiana · 13 states
- Southern red oak Quercus falcata · 6 states
- Sweetgum Liquidambar styraciflua · 22 states
- Two-wing silverbell Halesia diptera · 5 states
- Water oak Quercus nigra · 4 states
- White oak Quercus alba · 33 states
- Wild blue Phlox divaricata · 32 states
- Willow oak Quercus phellos · 16 states
- Woodland pinkroot Spigelia marilandica · 4 states