Limestone Hedgehyssop
Gratiola quartermaniae
- Native to:
- Canada, United States
iNaturalist: © bob777 (iNaturalist #2556838)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Gratiola
- Species:
- Gratiola quartermaniae
- USDA Symbol:
- GRQU2
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white, yellow
Soil Requirements
- Soil Type:
- moist, sandy, nutrient-poor soil
- pH:
- 5.5 - 7.0 (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:
- 14–30 days
- Notes:
- Seeds may require light for germination. Sow on surface of moist medium.
The above propagation data sourced from Claude AI