A bloom calendar for New Hampshire built from 33,386 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
New Hampshire wildflower calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed wildflowers in New Hampshire
Pink Lady's Slipper
Painted Trillium
Northern Starflower
Azure Bluet
Red Trillium
Canadian bunchberry
Trailing Arbutus
Bluebead Lily
Canada mayflower
Sheep Laurel
black-eyed Susan
Partridgeberry
Hobblebush
White Meadowsweet
Fringed Polygala
Red Clover
