Scutellaria integrifolia
Helmet Flower
About the plant
What it is and where it grows — not part of any germination protocol.
The plant
- Habit
- Herbaceous Perennial, WildflowerExtension Gardener Plant Toolbox
- Habit
- perennialPlants of the World Online
- Height
- 1.3-1.7 ft40-50 cmExtension Gardener Plant Toolbox
- Spread
- 0.7-1 ft20-30 cmExtension Gardener Plant Toolbox
- Flower
- Blue, Pink, Purple/Lavender, WhiteExtension Gardener Plant Toolbox
- Blooms
- Spring, SummerExtension Gardener Plant Toolbox
- Native range
- Native to the lower 48 statesPLANTS Database
- Hardiness zones
- 6-9Extension Gardener Plant Toolbox
Growing conditions
- Sun
- Full sunExtension Gardener Plant Toolbox
- Moisture
- Moist, Occasionally DryExtension Gardener Plant Toolbox
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Extension Gardener Plant Toolbox — NC State Extension; Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS.
Worth knowing
- Helmet skullcap, of the eastern United States, grows in openings on moist, acidic soil and probably needs fire to keep its habitat open. Wikipedia: Scutellaria integrifolia
Protocol
DerivedN. C. Deno, 1996Difficulty Low
Sow and cover
Temperature: 70°F 21°C Light: light
No stated waiting before sowing. Then 21 days to germinate.
83% germination in 7–21 days.
How each step is done, in Deno’s words, and what Verified and Derived mean.
Germination trials
Readers’ own records of sowing this species, published after review. Share your trial · All trials
No trials shared for this species yet.