33 wildflowers were recorded blooming in Florida in October in our iNaturalist sample; 5 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in October

Pine lily

White beggarticks

Spotted Horsemint

Madagascar Periwinkle
Blue Curls

Frostweed
Pickerelweed

Chinese Crown Orchid

Whitemouth Dayflower

Blue Mistflower

Tropical sage
Cardinal Flower
All wildflowers blooming in Florida in October
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Pine lily | Lilium catesbaei | lily family | 479 | Sep (past peak) |
| 2 | White beggarticks | Bidens alba | Sunflowers, Daisies, Asters, and Allies | 193 | Jan (past peak) |
| 3 | Spotted Horsemint | Monarda punctata | Mint Family | 107 | Sep (past peak) |
| 4 | Madagascar Periwinkle | Catharanthus roseus | Dogbane Family | 92 | Oct (peak) |
| 5 | Blue Curls | Trichostema dichotomum | Mint Family | 87 | Oct (peak) |
| 6 | Frostweed | Verbesina virginica | Sunflowers, Daisies, Asters, and Allies | 81 | Oct (peak) |
| 7 | Pickerelweed | Pontederia cordata | Pickerelweeds | 56 | Apr (past peak) |
| 8 | Chinese Crown Orchid | Eulophia graminea | Orchids | 55 | Apr (past peak) |
| 9 | Whitemouth Dayflower | Commelina erecta | Spiderworts | 53 | May (past peak) |
| 10 | Blue Mistflower | Conoclinium coelestinum | Sunflowers, Daisies, Asters, and Allies | 50 | Oct (peak) |
| 11 | Tropical sage | Salvia coccinea | Mint Family | 50 | Apr (past peak) |
| 12 | Cardinal Flower | Lobelia cardinalis | bellflower family | 48 | Oct (peak) |
| 13 | Alamo vine | Distimake dissectus | bindweed family | 47 | May (past peak) |
| 14 | Turkey Tangle Frogfruit | Phyla nodiflora | Verbena Family | 46 | Apr (past peak) |
| 15 | Climbing Hempvine | Mikania scandens | Sunflowers, Daisies, Asters, and Allies | 38 | Sep (past peak) |
| 16 | Lantana | Lantana strigocamara | Verbena Family | 38 | Apr (past peak) |
| 17 | Butterfly Pea | Centrosema virginianum | Legumes | 37 | Aug (past peak) |
| 18 | Tievine | Ipomoea cordatotriloba | bindweed family | 34 | Sep (past peak) |
| 19 | Orange Milkwort | Senega lutea | milkworts | 34 | Mar (past peak) |
| 20 | American white waterlily | Nymphaea odorata | Waterlily Family | 32 | Apr (past peak) |
| 21 | Partridge Pea | Chamaecrista fasciculata | Legumes | 31 | Aug (past peak) |
| 22 | Camphorweed | Heterotheca subaxillaris | Sunflowers, Daisies, Asters, and Allies | 26 | Sep (past peak) |
| 23 | St. Andrew's cross | Hypericum hypericoides | St. John's wort family | 23 | Aug (past peak) |
| 24 | Largeleaf Pennywort | Hydrocotyle bonariensis | ivy family | 23 | May (past peak) |
| 25 | Spurge Nettle | Cnidoscolus stimulosus | Spurge Family | 22 | Apr (past peak) |
| 26 | Pineland Hibiscus | Sabdariffa aculeata | Mallow and Hibiscus Family | 22 | Jul (past peak) |
| 27 | Firewheel | Gaillardia pulchella | Sunflowers, Daisies, Asters, and Allies | 21 | Apr (past peak) |
| 28 | Butterfly Milkweed | Asclepias tuberosa | Dogbane Family | 19 | May (past peak) |
| 29 | Catchfly Prairie Gentian | Eustoma exaltatum | gentian family | 19 | Jun (past peak) |
| 30 | Shaggy Portulaca | Portulaca pilosa | purslane family | 19 | Jun (past peak) |
| 31 | Purple Passionflower | Passiflora incarnata | Passionfruit Family | 18 | May (past peak) |
| 32 | Saltmarsh mallow | Kosteletzkya pentacarpos | Mallow and Hibiscus Family | 18 | Jul (past peak) |
| 33 | Manyflower Marshpennywort | Hydrocotyle umbellata | ivy family | 17 | Mar (past peak) |