Thieret's Skullcap
Scutellaria drummondii var. drummondii
- Native to:
- Mexico, United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lamiaceae
- Genus:
- Scutellaria
- Species:
- Scutellaria drummondii var. drummondii
- USDA Symbol:
- SCTH
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 25 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- blue, violet, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; found in fire-maintained prairies and limestone glades.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open, sandy areas; avoid waterlogged conditions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds may benefit from light exposure during germination. Germination can be erratic.
The above propagation data sourced from Claude AI