60 wildflowers were recorded blooming in Texas in April in our iNaturalist sample; 33 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in April

Texas bluebonnet

Drummond's rain lily

Chinese privet

Antelopehorn Milkweed
Pinkladies

Whitemouth Dayflower

Silverleaf Nightshade

Firewheel

Bristle Thistle

Texas bindweed
Purple Groundcherry

Straggler Daisy
All wildflowers blooming in Texas in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Texas bluebonnet | Lupinus texensis | Legumes | 2,867 | Mar (past peak) |
| 2 | Drummond's rain lily | Zephyranthes drummondii | amaryllis, onions, and allies | 1,874 | Apr (peak) |
| 3 | Chinese privet | Ligustrum sinense | olive family | 1,693 | Apr (peak) |
| 4 | Antelopehorn Milkweed | Asclepias asperula | Dogbane Family | 1,305 | Apr (peak) |
| 5 | Pinkladies | Oenothera speciosa | evening primrose family | 1,278 | Apr (peak) |
| 6 | Whitemouth Dayflower | Commelina erecta | Spiderworts | 761 | May (rising) |
| 7 | Silverleaf Nightshade | Solanum elaeagnifolium | nightshade family | 734 | Apr (peak) |
| 8 | Firewheel | Gaillardia pulchella | Sunflowers, Daisies, Asters, and Allies | 695 | Apr (peak) |
| 9 | Bristle Thistle | Cirsium horridulum | Sunflowers, Daisies, Asters, and Allies | 678 | Apr (peak) |
| 10 | Texas bindweed | Convolvulus equitans | bindweed family | 668 | Apr (peak) |
| 11 | Purple Groundcherry | Quincula lobata | nightshade family | 662 | Apr (peak) |
| 12 | Straggler Daisy | Calyptocarpus vialis | Sunflowers, Daisies, Asters, and Allies | 646 | Apr (peak) |
| 13 | Roughleaf Dogwood | Cornus drummondii | Dogwood family | 634 | Apr (peak) |
| 14 | Green Antelopehorns | Asclepias viridis | Dogbane Family | 617 | Apr (peak) |
| 15 | Common Hoptree | Ptelea trifoliata | citrus family | 610 | Apr (peak) |
| 16 | Winecup Mallow | Callirhoe involucrata | Mallow and Hibiscus Family | 584 | Apr (peak) |
| 17 | Texas Paintbrush | Castilleja indivisa | broomrape family | 552 | Apr (peak) |
| 18 | Turk's cap | Malvaviscus arboreus | Mallow and Hibiscus Family | 524 | May (rising) |
| 19 | Mexican palo verde | Parkinsonia aculeata | Legumes | 503 | Apr (peak) |
| 20 | Texas Thistle | Cirsium texanum | Sunflowers, Daisies, Asters, and Allies | 494 | May (rising) |
| 21 | Dakota mock vervain | Glandularia bipinnatifida | Verbena Family | 484 | Apr (peak) |
| 22 | Upright Prairie Coneflower | Ratibida columnifera | Sunflowers, Daisies, Asters, and Allies | 461 | May (rising) |
| 23 | Scarlet Pimpernel | Lysimachia arvensis | primrose family | 448 | Apr (peak) |
| 24 | Lantana | Lantana strigocamara | Verbena Family | 443 | Apr (peak) |
| 25 | Engelmann daisy | Engelmannia peristenia | Sunflowers, Daisies, Asters, and Allies | 438 | Apr (peak) |
| 26 | black-eyed Susan | Rudbeckia hirta | Sunflowers, Daisies, Asters, and Allies | 429 | May (rising) |
| 27 | Sandyland Bluebonnet | Lupinus subcarnosus | Legumes | 428 | Mar (past peak) |
| 28 | Tropical sage | Salvia coccinea | Mint Family | 411 | Apr (peak) |
| 29 | Clasping Coneflower | Rudbeckia amplexicaulis | Sunflowers, Daisies, Asters, and Allies | 380 | May (rising) |
| 30 | Bristly Mallow | Modiola caroliniana | Mallow and Hibiscus Family | 378 | Apr (peak) |
| 31 | Texas lantana | Lantana urticoides | Verbena Family | 376 | Apr (peak) |
| 32 | Anacahuita | Cordia boissieri | borage family | 349 | Apr (peak) |
| 33 | Plains Coreopsis | Coreopsis tinctoria | Sunflowers, Daisies, Asters, and Allies | 337 | May (rising) |
| 34 | Tenpetal Anemone | Anemone berlandieri | buttercup family | 335 | Mar (past peak) |
| 35 | Purple Passionflower | Passiflora incarnata | Passionfruit Family | 331 | May (rising) |
| 36 | Blackfoot Daisy | Melampodium leucanthum | Sunflowers, Daisies, Asters, and Allies | 328 | Apr (peak) |
| 37 | Tall Blue Wild Indigo | Baptisia australis | Legumes | 327 | Apr (peak) |
| 38 | Field madder | Sherardia arvensis | madder family | 325 | Apr (peak) |
| 39 | Eastern Coral Bean | Erythrina herbacea | Legumes | 320 | May (rising) |
| 40 | Zizotes milkweed | Asclepias oenotheroides | Dogbane Family | 318 | Sep (rising) |
| 41 | Gregg's tube tongue | Justicia pilosella | Acanthus Family | 313 | Apr (peak) |
| 42 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 302 | Apr (peak) |
| 43 | Cross Vine | Bignonia capreolata | bignonia family | 286 | Mar (past peak) |
| 44 | Pearl Milkweed | Matelea reticulata | Dogbane Family | 272 | May (rising) |
| 45 | Turkey Tangle Frogfruit | Phyla nodiflora | Verbena Family | 266 | Apr (peak) |
| 46 | Carolina crane's-bill | Geranium carolinianum | Geranium family | 253 | Mar (past peak) |
| 47 | Cowpen Daisy | Verbesina encelioides | Sunflowers, Daisies, Asters, and Allies | 253 | Apr (peak) |
| 48 | Poison Hemlock | Conium maculatum | carrot family | 236 | Apr (peak) |
| 49 | Musk Thistle | Carduus nutans | Sunflowers, Daisies, Asters, and Allies | 228 | May (rising) |
| 50 | Texas creeping-oxeye | Wedelia hispida | Sunflowers, Daisies, Asters, and Allies | 227 | Apr (peak) |