Tuberous Grasspink
Calopogon tuberosus
Last reviewed: June 2026
Light
full sun
Water
medium
Size
4"–16" H × 2"–6" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, CT, DE and 29 more states
Pollinators
bees, butterflies
Tuberous grasspink is a delicate native orchid that produces striking pink flowers with a distinctive upside-down bloom arrangement. This small, slender plant emerges from underground tubers and thrives in sunny, moist conditions. The grass-like foliage remains inconspicuous until the showy flower spike appears in summer.
In an HOA neighborhood
Tuberous Grasspink takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Completely disappears when dormant
- May be mistaken for weeds due to grass-like appearance
- Extremely small and sparse appearance
Wildlife value
The unusual flowers attract native bees and butterflies during the summer blooming period. As a native orchid, it supports specialized pollinators that have co-evolved with this unique plant family.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Tuberous Grasspink fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.