
Based on 1,577 research-grade iNaturalist flowering observations in Massachusetts, Azure Bluet blooms mainly from April to May, peaking in May. It ranks #3 among wildflowers recorded in the state in our data.
Houstonia caerulea
Azure Bluet in Massachusetts 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 Massachusetts in May

Northern Starflower

Pink Lady's Slipper
Wood Anemone
Wild Geranium

Canada mayflower
Garlic Mustard

Fringed Polygala

Red Trillium
Places to look in Massachusetts
Arnold Arboretum
Boston Public Garden
Berkshire Botanical Garden
Halibut Point State Park
Hammond Pond Reservation
Tolland State Forest
FAQ
When does Azure Bluet bloom in Massachusetts?
Mainly April–May, with the most records in May.
How common is Azure Bluet in Massachusetts?
It ranks #3 by number of iNaturalist flowering observations among wildflowers in Massachusetts (1,577 records in our sample).