60 wildflowers were recorded blooming in Tennessee 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

Large White Trillium
Dwarf Crested Iris

Showy Orchis

Yellow Wakerobin

Cross Vine

Fire Pink

Miami Mist

Philadelphia fleabane

Red Trillium

Bashful Wakerobin

Pink Lady's Slipper

Common Pawpaw
All wildflowers blooming in Tennessee in April
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Large White Trillium | Trillium grandiflorum | Herb-Paris, False Hellebores, Trilliums and allies | 956 | Apr (peak) |
| 2 | Dwarf Crested Iris | Iris cristata | iris family | 890 | Apr (peak) |
| 3 | Showy Orchis | Galearis spectabilis | Orchids | 880 | Apr (peak) |
| 4 | Yellow Wakerobin | Trillium luteum | Herb-Paris, False Hellebores, Trilliums and allies | 803 | Apr (peak) |
| 5 | Cross Vine | Bignonia capreolata | bignonia family | 763 | Apr (peak) |
| 6 | Fire Pink | Silene virginica | pink family | 694 | Apr (peak) |
| 7 | Miami Mist | Phacelia purshii | borage family | 603 | Apr (peak) |
| 8 | Philadelphia fleabane | Erigeron philadelphicus | Sunflowers, Daisies, Asters, and Allies | 566 | Apr (peak) |
| 9 | Red Trillium | Trillium erectum | Herb-Paris, False Hellebores, Trilliums and allies | 416 | Apr (peak) |
| 10 | Bashful Wakerobin | Trillium catesbaei | Herb-Paris, False Hellebores, Trilliums and allies | 399 | Apr (peak) |
| 11 | Pink Lady's Slipper | Cypripedium acaule | Orchids | 397 | Apr (peak) |
| 12 | Common Pawpaw | Asimina triloba | custard-apples | 397 | Apr (peak) |
| 13 | Red Columbine | Aquilegia canadensis | buttercup family | 370 | Apr (peak) |
| 14 | Squirrel Corn | Dicentra canadensis | Poppy Family | 297 | Apr (peak) |
| 15 | common star-of-Bethlehem | Ornithogalum umbellatum | agave and allies | 277 | Apr (peak) |
| 16 | Azure Bluet | Houstonia caerulea | madder family | 234 | Apr (peak) |
| 17 | Virginia bluebells | Mertensia virginica | borage family | 228 | Mar (past peak) |
| 18 | Robin's-Plantain | Erigeron pulchellus | Sunflowers, Daisies, Asters, and Allies | 227 | Apr (peak) |
| 19 | Painted Trillium | Trillium undulatum | Herb-Paris, False Hellebores, Trilliums and allies | 212 | Apr (peak) |
| 20 | Mayapple | Podophyllum peltatum | barberry family | 204 | Apr (peak) |
| 21 | Annual Honesty | Lunaria annua | mustard family | 195 | Apr (peak) |
| 22 | Yellow Trout Lily | Erythronium americanum | lily family | 193 | Mar (past peak) |
| 23 | Little Sweet Betsy | Trillium cuneatum | Herb-Paris, False Hellebores, Trilliums and allies | 188 | Mar (past peak) |
| 24 | Rue Anemone | Thalictrum thalictroides | buttercup family | 177 | Mar (past peak) |
| 25 | Wild Geranium | Geranium maculatum | Geranium family | 176 | Apr (peak) |
| 26 | Flowering Dogwood | Cornus florida | Dogwood family | 164 | Apr (peak) |
| 27 | American bladdernut | Staphylea trifolia | bladdernut family | 163 | Apr (peak) |
| 28 | Lyreleaf Sage | Salvia lyrata | Mint Family | 162 | Apr (peak) |
| 29 | Trailing Arbutus | Epigaea repens | heath family | 156 | Mar (past peak) |
| 30 | Dutchman's breeches | Dicentra cucullaria | Poppy Family | 151 | Mar (past peak) |
| 31 | Field madder | Sherardia arvensis | madder family | 146 | Apr (peak) |
| 32 | Prairie Trillium | Trillium recurvatum | Herb-Paris, False Hellebores, Trilliums and allies | 145 | Apr (peak) |
| 33 | Canada Violet | Viola canadensis | Violet Family | 144 | Apr (peak) |
| 34 | Blue Cohosh | Caulophyllum thalictroides | barberry family | 144 | Apr (peak) |
| 35 | Amur honeysuckle | Lonicera maackii | honeysuckle family | 138 | Apr (peak) |
| 36 | Celandine Poppy | Chelidonium diphyllum | Poppy Family | 127 | Apr (peak) |
| 37 | Red Deadnettle | Lamium purpureum | Mint Family | 124 | Mar (past peak) |
| 38 | Strawberry Bush | Euonymus americanus | staff-vine family | 123 | May (rising) |
| 39 | Halberd-leaved violet | Viola hastata | Violet Family | 121 | Mar (past peak) |
| 40 | Yellow Star Grass | Hypoxis hirsuta | Stargrasses and allies | 119 | Apr (peak) |
| 41 | Long-spurred violet | Viola rostrata | Violet Family | 119 | Apr (peak) |
| 42 | Virginia Springbeauty | Claytonia virginica | Pussypaw Family | 117 | Mar (past peak) |
| 43 | Woodland Stonecrop | Sedum ternatum | stonecrop family | 116 | Apr (peak) |
| 44 | Guyandotte beauty | Synandra hispidula | Mint Family | 113 | May (rising) |
| 45 | Catchweed Bedstraw | Galium aparine | madder family | 111 | Apr (peak) |
| 46 | Jack-in-the-Pulpit | Arisaema triphyllum | Arum Family | 105 | Apr (peak) |
| 47 | Carolina sweetshrub | Calycanthus floridus | spicebush family | 105 | Apr (peak) |
| 48 | Violet Woodsorrel | Oxalis violacea | Woodsorrel Family | 103 | Apr (peak) |
| 49 | American tuliptree | Liriodendron tulipifera | magnolia family | 94 | Apr (peak) |
| 50 | Canadian lousewort | Pedicularis canadensis | broomrape family | 92 | Apr (peak) |