Mullein Seeds – Verbascum thapsus Herbal Plant

Mullein is a biennial herbaceous plant known for its tall upright growth habit, soft woolly foliage, and vertical flower spikes. It grows well in a variety of open habitats including gardens, meadows, and naturalized areas. The plant develops a basal rosette in the first year followed by a tall flowering stalk in the second year. Mullein adapts easily to dry and poor soils and is commonly grown in low-maintenance and wildflower-style plantings.

Features

• Biennial herbaceous plant with upright growth
• Produces soft woolly gray-green leaves
• Tall flowering spikes in second year
• Suitable for wildflower and naturalized gardens
• Adapted to dry and low-fertility soils
• Upright architectural growth habit
• Performs well in full sun conditions

Specifications

• Scientific Name: Verbascum thapsus
• Common Name (US): Mullein
• Seed Type / Variety: Herbal Variety
• Growth Habit: Biennial herbaceous plant
• USDA Zones: 3-9
• Planting Season: Spring or Fall
• Growing Season: Spring through Summer
• Sowing Season: March-May and September-October
• Germination Time and Conditions: 14-21 days at 65-75°F (18-24°C)
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained sandy or rocky soil
• Watering Needs: Low watering; drought tolerant once established
• Mature Plant Size: 3-7 feet tall, 1-3 feet spread
• Plant Spacing: 18-24 inches apart