Based on 1,218 research-grade iNaturalist flowering observations in New Hampshire, Painted Trillium blooms mainly from May to May, peaking in May. It ranks #2 among wildflowers recorded in the state in our data.
Trillium undulatum
Painted Trillium in New Hampshire by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also in bloom in New Hampshire in May
Northern Starflower
Pink Lady's Slipper
Red Trillium
Azure Bluet
Hobblebush
Fringed Polygala
Canada mayflower
Sessile Bellwort
Places to look in New Hampshire
National ForestWhite Mountain National Forest
State ParkFranconia Notch State Park
State ParkOdiorne Point State Park
State ParkMount Washington State Park
State ParkRhododendron State Park
State ParkPawtuckaway State Park
FAQ
When does Painted Trillium bloom in New Hampshire?
Mainly May–May, with the most records in May.
How common is Painted Trillium in New Hampshire?
It ranks #2 by number of iNaturalist flowering observations among wildflowers in New Hampshire (1,218 records in our sample).