Skullcap Seeds – Mad Dog

Mad Dog Skullcap (Scutellaria lateriflora) is a hardy perennial herb valued for its vibrant blue to violet flowers and its easy growth in a variety of garden settings. This North American native is a great addition to wildflower gardens, borders, and pollinator habitats. Known for its dense clusters of small blooms that appear throughout summer, Skullcap adds both color and texture to any landscape. It thrives in moist, well-drained soil and partial to full sunlight, making it a reliable and low-maintenance plant for gardeners of all experience levels.

Features:

• Produces abundant blue to violet flowers throughout summer.

• Native to North America and well-suited to naturalized or wild gardens.

• Ideal for borders, cottage gardens, and pollinator-friendly landscapes.

• Easy to grow and tolerant of various soil conditions.

• Attracts bees, butterflies, and other beneficial pollinators.

Specifications:

• Scientific Name: Scutellaria lateriflora

• Common Name (US): Skullcap

• Variety: Mad Dog

• Plant Type: Perennial

• Bloom Color: Blue to violet

• Blooming Season: Late spring to early fall

• Plant Height: 18–24 inches (45–60 cm)

• Sunlight Requirement: Full sun to partial shade

• Soil Type: Moist, well-drained soil

• Watering: Moderate; prefers consistent moisture

• Germination Time: 14–21 days

• Sowing Method: Sow seeds indoors 6–8 weeks before last frost or direct sow outdoors after frost danger passes

• Spacing: 12–18 inches apart

• Growing Season: Spring to Fall

• USDA Hardiness Zones: 4–9

• Best Planting Months (by Zone):

  • Zones 4–5: May to June

  • Zones 6–7: April to May

  • Zones 8–9: March to April

• Use: Ornamental borders, wildflower gardens, pollinator gardens, landscaping