Bractless Hedgehyssop
Gratiola ebracteata
- Native to:
- Canada, United States
iNaturalist: © sedgequeen (iNaturalist #293909757)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Gratiola
- Species:
- Gratiola ebracteata
- USDA Symbol:
- GREB
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, yellow
- Ground Cover:
- Yes
Soil Requirements
- Soil Type:
- moist, sandy to loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- often found in wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination; surface sow and keep consistently moist.
The above propagation data sourced from Claude AI
Pre-treatment: None required
Source: npn.rngr.net