Clammy Hedgehyssop
Gratiola neglecta
Last reviewed: June 2026
Light
part sun
Water
high
Size
4"–12" H × 2"–6" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
AL, AR, AZ, CA and 43 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Clammy hedgehyssop is a small native annual that thrives in moist to wet soils and partial sun conditions. This compact plant produces tiny white or pale blue flowers throughout the growing season from late spring through early fall. It naturally occurs in wetlands, pond edges, and other consistently moist areas.
In an HOA neighborhood
Clammy Hedgehyssop takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Very small stature can appear weedy
- Annual nature means gaps in coverage
- Requires consistently moist soil which may look unkempt
Wildlife value
The small flowers attract native bees and beetles during its extended blooming period from May through September. As a native wetland plant, it provides habitat value in moisture-retentive garden areas.
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 Clammy Hedgehyssop fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.