60 wildflowers were recorded blooming in Texas in March in our iNaturalist sample; 22 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in March

Texas bluebonnet

Tenpetal Anemone
Southern Dewberry

Sandyland Bluebonnet
Pinkladies
Mexican Plum

Cross Vine

Drummond's rain lily
Crowpoison

Henbit Deadnettle

Texas Paintbrush

Narrowleaf Puccoon
All wildflowers blooming in Texas in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Texas bluebonnet | Lupinus texensis | Legumes | 3,736 | Mar (peak) |
| 2 | Tenpetal Anemone | Anemone berlandieri | buttercup family | 2,001 | Mar (peak) |
| 3 | Southern Dewberry | Rubus trivialis | rose family | 1,200 | Mar (peak) |
| 4 | Sandyland Bluebonnet | Lupinus subcarnosus | Legumes | 924 | Mar (peak) |
| 5 | Pinkladies | Oenothera speciosa | evening primrose family | 689 | Apr (rising) |
| 6 | Mexican Plum | Prunus mexicana | rose family | 635 | Mar (peak) |
| 7 | Cross Vine | Bignonia capreolata | bignonia family | 477 | Mar (peak) |
| 8 | Drummond's rain lily | Zephyranthes drummondii | amaryllis, onions, and allies | 451 | Apr (rising) |
| 9 | Crowpoison | Nothoscordum bivalve | amaryllis, onions, and allies | 425 | Mar (peak) |
| 10 | Henbit Deadnettle | Lamium amplexicaule | Mint Family | 419 | Feb (past peak) |
| 11 | Texas Paintbrush | Castilleja indivisa | broomrape family | 369 | Apr (rising) |
| 12 | Narrowleaf Puccoon | Lithospermum incisum | borage family | 338 | Mar (peak) |
| 13 | Purple Groundcherry | Quincula lobata | nightshade family | 322 | Apr (rising) |
| 14 | Eastern Redbud | Cercis canadensis | Legumes | 320 | Mar (peak) |
| 15 | Red Buckeye | Aesculus pavia | soapberry family | 302 | Mar (peak) |
| 16 | Bristle Thistle | Cirsium horridulum | Sunflowers, Daisies, Asters, and Allies | 297 | Apr (rising) |
| 17 | Field madder | Sherardia arvensis | madder family | 286 | Apr (rising) |
| 18 | Dakota mock vervain | Glandularia bipinnatifida | Verbena Family | 284 | Apr (rising) |
| 19 | Corn Gromwell | Buglossoides arvensis | borage family | 266 | Mar (peak) |
| 20 | Carolina crane's-bill | Geranium carolinianum | Geranium family | 259 | Mar (peak) |
| 21 | Straggler Daisy | Calyptocarpus vialis | Sunflowers, Daisies, Asters, and Allies | 218 | Apr (rising) |
| 22 | Redstem Stork's-bill | Erodium cicutarium | Geranium family | 184 | Mar (peak) |
| 23 | Blackfoot Daisy | Melampodium leucanthum | Sunflowers, Daisies, Asters, and Allies | 183 | Apr (rising) |
| 24 | Firewheel | Gaillardia pulchella | Sunflowers, Daisies, Asters, and Allies | 173 | Apr (rising) |
| 25 | Anacahuita | Cordia boissieri | borage family | 168 | Apr (rising) |
| 26 | Mexican palo verde | Parkinsonia aculeata | Legumes | 165 | Apr (rising) |
| 27 | Lyreleaf Sage | Salvia lyrata | Mint Family | 160 | Mar (peak) |
| 28 | Catchweed Bedstraw | Galium aparine | madder family | 154 | Mar (peak) |
| 29 | Tiny Bluet | Houstonia pusilla | madder family | 149 | Feb (past peak) |
| 30 | Tropical sage | Salvia coccinea | Mint Family | 148 | Apr (rising) |
| 31 | Scarlet Pimpernel | Lysimachia arvensis | primrose family | 144 | Apr (rising) |
| 32 | Common Hoptree | Ptelea trifoliata | citrus family | 141 | Apr (rising) |
| 33 | Winecup Mallow | Callirhoe involucrata | Mallow and Hibiscus Family | 140 | Apr (rising) |
| 34 | Virginia Springbeauty | Claytonia virginica | Pussypaw Family | 136 | Mar (peak) |
| 35 | Mediterranean lineseed | Bellardia trixago | broomrape family | 133 | Mar (peak) |
| 36 | American field pansy | Viola rafinesquei | Violet Family | 131 | Mar (peak) |
| 37 | Turk's cap | Malvaviscus arboreus | Mallow and Hibiscus Family | 124 | May (rising) |
| 38 | Silverleaf Nightshade | Solanum elaeagnifolium | nightshade family | 120 | Apr (rising) |
| 39 | Flowering Dogwood | Cornus florida | Dogwood family | 119 | Mar (peak) |
| 40 | Coral Honeysuckle | Lonicera sempervirens | honeysuckle family | 119 | Apr (rising) |
| 41 | Amur honeysuckle | Lonicera maackii | honeysuckle family | 115 | Mar (peak) |
| 42 | Bristly Mallow | Modiola caroliniana | Mallow and Hibiscus Family | 112 | Apr (rising) |
| 43 | Common Vetch | Vicia sativa | Legumes | 107 | Mar (peak) |
| 44 | Gregg's tube tongue | Justicia pilosella | Acanthus Family | 106 | Apr (rising) |
| 45 | Ocotillo | Fouquieria splendens | ocotillo family | 105 | Apr (rising) |
| 46 | Engelmann daisy | Engelmannia peristenia | Sunflowers, Daisies, Asters, and Allies | 103 | Apr (rising) |
| 47 | White Fawnlily | Erythronium albidum | lily family | 101 | Mar (peak) |
| 48 | Poison Hemlock | Conium maculatum | carrot family | 99 | Apr (rising) |
| 49 | Cowpen Daisy | Verbesina encelioides | Sunflowers, Daisies, Asters, and Allies | 98 | Apr (rising) |
| 50 | White Clover | Trifolium repens | Legumes | 94 | Apr (rising) |