American Dragonhead
Dracocephalum parviflorum
- Native to:
- Canada, Labrador, Mexico, United States
iNaturalist: © elacroix-carignan (iNaturalist #288915172)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lamiaceae
- Genus:
- Dracocephalum
- Species:
- Dracocephalum parviflorum
- USDA Symbol:
- DRPA2
Growth Characteristics
- Life Cycle:
- Annual | Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 80 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- blue, purple, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Colonizes disturbed areas post-fire; an early successional species in prairie and open woodland systems.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open, rocky, or sandy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily after cold stratification; light may improve germination rates.
The above propagation data sourced from Claude AI