16 wildflowers were recorded blooming in Hawaii 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
Madagascar Periwinkle
White beggarticks
Alkali Heliotrope
Straggler Daisy
Tree Tobacco
Cowpen Daisy
Cheeseweed Mallow
Oriental false hawksbeard
Pigeonberry
Shaggy Portulaca
Common Selfheal
Common Cat's-ear
All wildflowers blooming in Hawaii in December
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Madagascar Periwinkle | Catharanthus roseus | Dogbane Family | 8 | Jan (past peak) |
| 2 | White beggarticks | Bidens alba | Sunflowers, Daisies, Asters, and Allies | 7 | Jan (past peak) |
| 3 | Alkali Heliotrope | Heliotropium curassavicum | borage family | 5 | Dec (peak) |
| 4 | Straggler Daisy | Calyptocarpus vialis | Sunflowers, Daisies, Asters, and Allies | 5 | May (past peak) |
| 5 | Tree Tobacco | Nicotiana glauca | nightshade family | 4 | Apr (past peak) |
| 6 | Cowpen Daisy | Verbesina encelioides | Sunflowers, Daisies, Asters, and Allies | 4 | Feb (past peak) |
| 7 | Cheeseweed Mallow | Malva parviflora | Mallow and Hibiscus Family | 3 | Dec (peak) |
| 8 | Oriental false hawksbeard | Youngia japonica | Sunflowers, Daisies, Asters, and Allies | 3 | May (past peak) |
| 9 | Pigeonberry | Rivina humilis | Petiveria Family | 3 | Nov (past peak) |
| 10 | Shaggy Portulaca | Portulaca pilosa | purslane family | 3 | May (past peak) |
| 11 | Common Selfheal | Prunella vulgaris | Mint Family | 2 | Aug (past peak) |
| 12 | Common Cat's-ear | Hypochaeris radicata | Sunflowers, Daisies, Asters, and Allies | 2 | Jul (past peak) |
| 13 | Telegraphweed | Heterotheca grandiflora | Sunflowers, Daisies, Asters, and Allies | 2 | Oct (past peak) |
| 14 | Largeflower pink-sorrel | Oxalis debilis | Woodsorrel Family | 2 | Jan (past peak) |
| 15 | False Daisy | Eclipta prostrata | Sunflowers, Daisies, Asters, and Allies | 2 | Apr (past peak) |
| 16 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 2 | Feb (past peak) |