
Swamp Laurel (Kalmia polifolia) is in the heath family family (Ericaceae). Across the U.S., iNaturalist users have logged 1,414 research-grade flowering observations of it in our sample, peaking in June.
Nationally it blooms mainly from May to June, but timing varies a lot by state and elevation — see the table below.
When to photograph Swamp Laurel: observations by month (U.S.)
About Swamp Laurel
Kalmia polifolia, previously known as Kalmia glauca and commonly called bog laurel, swamp laurel, or pale laurel, is a perennial evergreen shrub of cold acidic bogs, in the family Ericaceae. It is native to north-eastern North America, from Newfoundland to Hudson Bay southwards.From Wikipedia via iNaturalist — article, CC BY-SA.
Swamp Laurel by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| Maine | 305 | June | May–Jun |
| New Hampshire | 231 | June | May–Jun |
| New York | 205 | June | May–Jun |
| Michigan | 185 | May | May–Jun |
| Minnesota | 180 | June | May–Jun |
| Wisconsin | 145 | May | May–Jun |
| Vermont | 122 | May | May–Jun |
| Massachusetts | 27 | May | May–Jun |
| Pennsylvania | 13 | May | May–May |
Main season = months with at least 30% of the state's peak-month count.
Related wildflowers (heath family)

Striped Wintergreen

Trailing Arbutus

Mountain Laurel

Ghost Pipe

Pipsissewa

Great Rhododendron

Sheep Laurel
Flame Azalea
Photography tips
- Photograph flowers on calm, overcast mornings to avoid wind blur and harsh shadows.
- Get low: a shallow depth of field (f/2.8–f/5.6) isolates a bloom against soft color.
- Stay on trails — trampling meadows kills plants and ruins next year's display.
- Try a kaleidoscope abstract of a single bloom with our online kaleidoscope tool.
FAQ
When is the best time to photograph Swamp Laurel?
Nationally, June has the most observations, with the main season from May to June.
Where is Swamp Laurel most often seen?
The most observations come from Maine, New Hampshire, New York.