A bloom calendar for Maine built from 40,359 research-grade iNaturalist observations of plants in flower. May is the busiest bloom month. Pick a month to see what's flowering, or open a species for its state-by-state timing.
By month
Maine wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in Maine
Northern Starflower
Azure Bluet
Pink Lady's Slipper
Sheep Laurel
Flat-Top White Aster
Red Trillium
Trailing Arbutus
Painted Trillium
Canadian bunchberry
Rhodora
Common Jewelweed
Three-Toothed Cinquefoil
black-eyed Susan
Pearly Everlasting
Wood Lily
Bluebead Lily
