Mullein Seeds – Verbascum thapsus Flower Plant

Mullein is a hardy biennial herb known for its striking tall flower spikes, soft silvery-green foliage, and bright yellow blooms. Widely grown in cottage gardens, pollinator habitats, wildflower meadows, and herbal gardens, Mullein creates impressive vertical interest while attracting bees and beneficial insects. Its drought tolerance and adaptability make it an excellent choice for low-maintenance landscapes.

Features

• Tall spikes of bright yellow flowers
• Soft, velvety silver-green foliage
• Excellent pollinator-friendly plant
• Ideal for cottage gardens and wildflower meadows
• Drought tolerant once established
• Easy-to-grow biennial herb
• Adds height and structure to landscapes

Specifications

• Scientific Name: Verbascum thapsus
• Common Name (US): Common Mullein / Great Mullein
• Seed Type / Variety: Flowering Biennial Herb
• Growth Habit: Upright biennial herbaceous plant
• USDA Zones: 3–9
• Planting Season: Spring or Fall
• Growing Season: Spring through Summer
• Sowing Season: Early Spring or Fall
• Germination Time and Conditions: 10–21 days in moist, well-drained soil with light exposure
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained, average to poor soil
• Watering Needs: Low to moderate; drought tolerant once established
• Mature Plant Size: 3–8 feet tall and 1–3 feet wide
• Plant Spacing: 18–24 inches apart