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Product Description
Add striking height and color to your garden with Yellow Verbascum Thapsus seeds. These heirloom seeds produce tall spikes of bright yellow flowers, perfect for borders, cottage gardens, and ornamental displays. Known for their ease of growth and seasonal blooms, Verbascum Thapsus adds vertical interest and charm to any home garden.
Heirloom Variety: Preserves traditional plant genetics for future planting.
GMO-Free: 100 Pcs% natural, non-modified seeds.
Seasonal Bloomer: Produces tall, vibrant flowers during the flowering season.
Garden Accent: Adds height and visual interest to borders and garden beds.
Easy to Grow: Suitable for home gardens and outdoor planting.
Seed Type: Yellow Verbascum Thapsus
Plant Height: 24–48 inches (approx.)
Flower Color: Bright yellow
Growth Habit: Upright, tall flowering plant
Germination Time: 10–21 days under optimal conditions
Sowing: Direct sow outdoors or start seeds in pots/trays with well-draining soil.
Depth: Lightly cover seeds with a thin layer of soil.
Watering: Keep soil lightly moist until seedlings emerge.
Light: Full sun to partial shade is ideal.
Temperature: Maintain 18–22°C (65–72°F) for optimal germination.
Transplanting: If started indoors, transplant seedlings outdoors after frost risk has passed, spacing 12–18 inches apart.
Care: Low-maintenance plant; remove spent flowers to encourage continued blooms.

Life Cycle
Biennial flowering
Planting Season
Spring sowing
Growth Habit
Tall upright
Flavor Profile
Not edible
Plant Characteristics
Yellow tall spikes
Use
Medicinal ornamental
Growing Conditions
Cool temperate
Harvest Advantages
Seasonal flowering
Plant Resistance
Drought tolerant
Verbascum thapsus
Seed Names
Yellow Verbascum
Seed Type
Heirloom, Non-GMO
Yellow verbascum, commonly known as mullein, is a classic biennial plant recognized for its tall golden flower spikes and soft, woolly foliage. Easy to grow and highly resilient, it is valued for both ornamental beauty and traditional garden use.
Light Requirement
Full sun
Planting Depth
Surface sow
Sowing Method
Direct sow
Plant Spacing
18–24 inches
Days to Maturity
120–150 days
Soil Preparation
Cold stratification
Hardiness Zones
Zones 3–9
Water Needs
Low moderate
Planting Season
Spring autumn
Seed Count
Recommended Coverage
100
Up to 30 sq ft
500
Up to 150 sq ft
1000
Up to 300 sq ft