46 wildflowers were recorded blooming in Louisiana in December in our iNaturalist sample; 2 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in December

Butterweed
Crowpoison

American black elderberry

Blue Mistflower

White beggarticks

Largeflower pink-sorrel

Straggler Daisy

White Clover

Tall Goldenrod

Henbit Deadnettle

American Witch-Hazel

Santa Maria feverfew
All wildflowers blooming in Louisiana in December
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Butterweed | Packera glabella | Sunflowers, Daisies, Asters, and Allies | 28 | Mar (past peak) |
| 2 | Crowpoison | Nothoscordum bivalve | amaryllis, onions, and allies | 23 | Mar (past peak) |
| 3 | American black elderberry | Sambucus canadensis | elder family | 13 | May (past peak) |
| 4 | Blue Mistflower | Conoclinium coelestinum | Sunflowers, Daisies, Asters, and Allies | 13 | Oct (past peak) |
| 5 | White beggarticks | Bidens alba | Sunflowers, Daisies, Asters, and Allies | 12 | Oct (past peak) |
| 6 | Largeflower pink-sorrel | Oxalis debilis | Woodsorrel Family | 10 | Apr (past peak) |
| 7 | Straggler Daisy | Calyptocarpus vialis | Sunflowers, Daisies, Asters, and Allies | 9 | Apr (past peak) |
| 8 | White Clover | Trifolium repens | Legumes | 7 | Apr (past peak) |
| 9 | Tall Goldenrod | Solidago altissima | Sunflowers, Daisies, Asters, and Allies | 7 | Oct (past peak) |
| 10 | Henbit Deadnettle | Lamium amplexicaule | Mint Family | 6 | Feb (past peak) |
| 11 | American Witch-Hazel | Hamamelis virginiana | witch-hazel family | 5 | Nov (past peak) |
| 12 | Santa Maria feverfew | Parthenium hysterophorus | Sunflowers, Daisies, Asters, and Allies | 5 | Jul (past peak) |
| 13 | Turk's cap | Malvaviscus arboreus | Mallow and Hibiscus Family | 4 | May (past peak) |
| 14 | Firewheel | Gaillardia pulchella | Sunflowers, Daisies, Asters, and Allies | 3 | Apr (past peak) |
| 15 | Oriental false hawksbeard | Youngia japonica | Sunflowers, Daisies, Asters, and Allies | 3 | Apr (past peak) |
| 16 | Primrose-Leaved Violet | Viola primulifolia | Violet Family | 3 | Mar (past peak) |
| 17 | Pinkladies | Oenothera speciosa | evening primrose family | 2 | Apr (past peak) |
| 18 | Bitterweed | Helenium amarum | Sunflowers, Daisies, Asters, and Allies | 2 | Aug (past peak) |
| 19 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 2 | Apr (past peak) |
| 20 | Cutleaf Evening Primrose | Oenothera laciniata | evening primrose family | 2 | Mar (past peak) |
| 21 | Bird's Foot Violet | Viola pedata | Violet Family | 2 | Mar (past peak) |
| 22 | Asian mazus | Mazus pumilus | mazus family | 2 | Apr (past peak) |
| 23 | Mock Strawberry | Potentilla indica | rose family | 2 | Jan (past peak) |
| 24 | Lantana | Lantana strigocamara | Verbena Family | 2 | Jul (past peak) |
| 25 | Field madder | Sherardia arvensis | madder family | 1 | Mar (past peak) |
| 26 | Bur Clover | Medicago polymorpha | Legumes | 1 | Mar (past peak) |
| 27 | Common Chickweed | Stellaria media | pink family | 1 | Feb (past peak) |
| 28 | Whitemouth Dayflower | Commelina erecta | Spiderworts | 1 | Jul (past peak) |
| 29 | Purple Foxglove | Digitalis purpurea | Plantain Family | 1 | Dec (peak) |
| 30 | Red Deadnettle | Lamium purpureum | Mint Family | 1 | Feb (past peak) |
| 31 | Carolina crane's-bill | Geranium carolinianum | Geranium family | 1 | Mar (past peak) |
| 32 | black-eyed Susan | Rudbeckia hirta | Sunflowers, Daisies, Asters, and Allies | 1 | May (past peak) |
| 33 | Philadelphia fleabane | Erigeron philadelphicus | Sunflowers, Daisies, Asters, and Allies | 1 | Mar (past peak) |
| 34 | Plains Coreopsis | Coreopsis tinctoria | Sunflowers, Daisies, Asters, and Allies | 1 | May (past peak) |
| 35 | Camphorweed | Heterotheca subaxillaris | Sunflowers, Daisies, Asters, and Allies | 1 | Oct (past peak) |
| 36 | Obedient Plant | Physostegia virginiana | Mint Family | 1 | Sep (past peak) |
| 37 | White Avens | Geum canadense | rose family | 1 | Feb (past peak) |
| 38 | Spotted Horsemint | Monarda punctata | Mint Family | 1 | Aug (past peak) |
| 39 | White Snakeroot | Ageratina altissima | Sunflowers, Daisies, Asters, and Allies | 1 | Oct (past peak) |
| 40 | Downy Lobelia | Lobelia puberula | bellflower family | 1 | Oct (past peak) |
| 41 | Frostweed | Verbesina virginica | Sunflowers, Daisies, Asters, and Allies | 1 | Oct (past peak) |
| 42 | Calico Aster | Symphyotrichum lateriflorum | Sunflowers, Daisies, Asters, and Allies | 1 | Oct (past peak) |
| 43 | Blue Curls | Trichostema dichotomum | Mint Family | 1 | Sep (past peak) |
| 44 | Tropical sage | Salvia coccinea | Mint Family | 1 | Sep (past peak) |
| 45 | Common Ramping-Fumitory | Fumaria muralis | Poppy Family | 1 | Feb (past peak) |
| 46 | American basketflower | Plectocephalus americanus | Sunflowers, Daisies, Asters, and Allies | 1 | Dec (peak) |