Based on 2,119 research-grade iNaturalist flowering observations in North Carolina, Flame Azalea blooms mainly from May to June, peaking in June. It ranks #2 among wildflowers recorded in the state in our data.
Rhododendron calendulaceum
Flame Azalea in North Carolina 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 North Carolina in June

Great Rhododendron

Striped Wintergreen

Galax

Catawba Rhododendron

Fire Pink

Mountain Laurel

Persian silk tree

Common Milkweed
Places to look in North Carolina
Coker Arboretum
Daniel Stowe Botanical Garden
Fort Macon State Park
Hanging Rock State Park
Crowders Mountain State Park
North Carolina Botanical Garden
FAQ
When does Flame Azalea bloom in North Carolina?
Mainly May–June, with the most records in June.
How common is Flame Azalea in North Carolina?
It ranks #2 by number of iNaturalist flowering observations among wildflowers in North Carolina (2,119 records in our sample).