Pronounced (approximate): kal-oh-POH-gon too-ber-OH-sus
Pink to magenta flowers carry a tuft of yellow-orange hairs on the upper lip. Explore the photographs below, from close details to the plant in its surroundings.
Tuberous Grass-pink (Calopogon tuberosus): front view of a pink flower with a tufted upper lip. Tap to browse the photo gallery.
Other common names Grass Pink, Grass-pink Orchid
Family Orchidaceae
Life cycle Perennial orchid
Blooms Late spring–summer
Height About 1–3 feet
Habitat Bogs, fens, wet meadows, and open wetland margins
Bloom dates and size vary with region and growing conditions. Native status refers to North America.
Explore reported observations. Sightings are not a complete range map.
Bogs, fens, wet meadows, and open wetland margins. Look for flowers in late spring–summer; timing varies locally.
This is a separate species from Oklahoma Grass-pink (Calopogon oklahomensis). The hinged lip can tip a visiting bee against the flower’s reproductive column. Its showy hairs imitate a pollen reward.
Pink to magenta flowers carry a tuft of yellow-orange hairs on the upper lip.
The lip sits above the flower’s center rather than forming a lower landing platform.
A narrow, grasslike leaf emerges near the base of the flowering stem.
Browse 20 photographs. Tap any image to enlarge it; use Load more photos for additional views.
Central and eastern Canada, the eastern and central United States, and parts of the northern Caribbean.
Documented in these states: AL, AR, CT, DE, FL, GA, IL, IN, IA, KY, LA, ME, MD, MA, MI, MN, MS, MO, NH, NJ, NY, NC, OH, OK, PA, RI, SC, TN, TX, VT, VA, WV, WI.
Observation maps show submitted records, not every place the plant occurs. Follow local access rules when visiting a site.
Practice recognizing Tuberous Grass-pink, then explore other flowers in the guide.
Original photographs: Where’s Wildlife. Identification and distribution references:
References checked October 2026. Botanical Latin pronunciations are approximate.
