60 wildflowers were recorded blooming in Alabama in April in our iNaturalist sample; 39 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in April

Philadelphia fleabane

Cross Vine

Chinese privet

Partridgeberry

Fire Pink

Lyreleaf Sage

Red Buckeye

White Fringetree

American tuliptree

Butterweed

Azure Bluet

Mountain Laurel
All wildflowers blooming in Alabama in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Philadelphia fleabane | Erigeron philadelphicus | Sunflowers, Daisies, Asters, and Allies | 371 | Apr (peak) |
| 2 | Cross Vine | Bignonia capreolata | bignonia family | 315 | Apr (peak) |
| 3 | Chinese privet | Ligustrum sinense | olive family | 260 | Apr (peak) |
| 4 | Partridgeberry | Mitchella repens | madder family | 223 | Apr (peak) |
| 5 | Fire Pink | Silene virginica | pink family | 194 | Apr (peak) |
| 6 | Lyreleaf Sage | Salvia lyrata | Mint Family | 149 | Apr (peak) |
| 7 | Red Buckeye | Aesculus pavia | soapberry family | 134 | Mar (past peak) |
| 8 | White Fringetree | Chionanthus virginicus | olive family | 126 | Apr (peak) |
| 9 | American tuliptree | Liriodendron tulipifera | magnolia family | 119 | Apr (peak) |
| 10 | Butterweed | Packera glabella | Sunflowers, Daisies, Asters, and Allies | 115 | Apr (peak) |
| 11 | Azure Bluet | Houstonia caerulea | madder family | 107 | Apr (peak) |
| 12 | Mountain Laurel | Kalmia latifolia | heath family | 102 | Apr (peak) |
| 13 | Field madder | Sherardia arvensis | madder family | 94 | Mar (past peak) |
| 14 | Bashful Wakerobin | Trillium catesbaei | Herb-Paris, False Hellebores, Trilliums and allies | 90 | Apr (peak) |
| 15 | Little Sweet Betsy | Trillium cuneatum | Herb-Paris, False Hellebores, Trilliums and allies | 79 | Mar (past peak) |
| 16 | Strawberry Bush | Euonymus americanus | staff-vine family | 78 | Apr (peak) |
| 17 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 77 | Apr (peak) |
| 18 | Bristle Thistle | Cirsium horridulum | Sunflowers, Daisies, Asters, and Allies | 74 | Apr (peak) |
| 19 | Miami Mist | Phacelia purshii | borage family | 73 | Apr (peak) |
| 20 | Rue Anemone | Thalictrum thalictroides | buttercup family | 70 | Mar (past peak) |
| 21 | Pinkladies | Oenothera speciosa | evening primrose family | 67 | Apr (peak) |
| 22 | Carolina sweetshrub | Calycanthus floridus | spicebush family | 65 | Apr (peak) |
| 23 | Violet Woodsorrel | Oxalis violacea | Woodsorrel Family | 64 | Mar (past peak) |
| 24 | Green Antelopehorns | Asclepias viridis | Dogbane Family | 63 | Apr (peak) |
| 25 | Mayapple | Podophyllum peltatum | barberry family | 62 | Apr (peak) |
| 26 | Orange Milkwort | Senega lutea | milkworts | 62 | Apr (peak) |
| 27 | White Clover | Trifolium repens | Legumes | 59 | Apr (peak) |
| 28 | Blue Pigroot | Sisyrinchium micranthum | iris family | 55 | Apr (peak) |
| 29 | Yellow Star Grass | Hypoxis hirsuta | Stargrasses and allies | 54 | Apr (peak) |
| 30 | Carolina crane's-bill | Geranium carolinianum | Geranium family | 52 | Apr (peak) |
| 31 | Coral Honeysuckle | Lonicera sempervirens | honeysuckle family | 51 | May (rising) |
| 32 | Drooping Trillium | Trillium flexipes | Herb-Paris, False Hellebores, Trilliums and allies | 50 | Apr (peak) |
| 33 | Three-Lobed Violet | Viola palmata | Violet Family | 47 | Apr (peak) |
| 34 | Wild Geranium | Geranium maculatum | Geranium family | 46 | Apr (peak) |
| 35 | Flowering Dogwood | Cornus florida | Dogwood family | 45 | Mar (past peak) |
| 36 | Red Columbine | Aquilegia canadensis | buttercup family | 43 | Apr (peak) |
| 37 | Common Pawpaw | Asimina triloba | custard-apples | 43 | Mar (past peak) |
| 38 | Crimson Clover | Trifolium incarnatum | Legumes | 43 | Apr (peak) |
| 39 | Atlantic camas | Camassia scilloides | agave and allies | 42 | Apr (peak) |
| 40 | Bristly Mallow | Modiola caroliniana | Mallow and Hibiscus Family | 39 | Apr (peak) |
| 41 | Catchweed Bedstraw | Galium aparine | madder family | 37 | Apr (peak) |
| 42 | Southern Dewberry | Rubus trivialis | rose family | 37 | Mar (past peak) |
| 43 | Black Locust | Robinia pseudoacacia | Legumes | 36 | Apr (peak) |
| 44 | Virginia bluebells | Mertensia virginica | borage family | 34 | Mar (past peak) |
| 45 | Pale Grasspink | Calopogon pallidus | Orchids | 34 | Apr (peak) |
| 46 | Canadian lousewort | Pedicularis canadensis | broomrape family | 33 | Apr (peak) |
| 47 | Dwarf Crested Iris | Iris cristata | iris family | 33 | Apr (peak) |
| 48 | Star Chickweed | Stellaria pubera | pink family | 33 | Apr (peak) |
| 49 | Reflexed Wild Ginger | Asarum reflexum | birthwort family | 33 | Apr (peak) |
| 50 | Largeleaf Pennywort | Hydrocotyle bonariensis | ivy family | 32 | Jun (rising) |