10+
Skullcap is a herbaceous perennial known for its upright to spreading growth habit and slender stems with small leaves. It produces delicate, tubular flowers along its stems during the growing season. This plant grows well in temperate climates and performs best in full sun to partial shade with well-drained soil. Skullcap adapts to garden beds, borders, and naturalized planting, establishing steadily and maintaining seasonal growth.
Features
- Upright to spreading perennial with slender stems
- Produces small tubular flowers during the season
- Suitable for temperate growing conditions
- Adaptable to garden beds, borders, and naturalized areas
- Steady growth with seasonal flowering
Specifications
- Scientific name: Scutellaria spp.
- Common name (US): Skullcap
- Seed type / variety: Open-pollinated
- Growth habit: Upright to spreading perennial
- USDA zones: 4–9
- Planting season: Spring and fall
- Growing season: Spring to summer
- Sowing Season: February to April, September to October
- Germination time and conditions: 10–20 days at 18–22°C
- Sunlight requirements: Full sun to partial shade
- Soil requirements: Well-drained, moderately fertile soil
- Watering needs: Moderate, consistent moisture
- Mature plant size: 30–60 cm height, 30–45 cm spread
- Plant spacing: 25–30 cm between plants
