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Mullein Seeds – Verbascum thapsus Heirloom Herbal Biennial with Tall Yellow Flower Spikes

Heirloom - Non-GMO - Reliable Germination

$3.49 USD
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Size: 1 Packet

What Makes Survival Garden Seeds Different - non-GMO heirloom seeds

Grow a hardy, visually striking herbal favorite with Mullein Seeds (Verbascum thapsus). This resilient biennial thrives in full sun and well-drained soil, producing tall flowering stalks, soft silver-green leaves, and bright yellow blooms. Mullein adapts easily to a range of garden conditions, growing well in the ground or in containers. Its traditional use in herbal gardens and its value for pollinators make it a meaningful addition for both practical and ornamental landscapes.

Adaptable, Resilient, and Rich in Garden Value:

  • Biennial herb known for its tall flower spikes and large, velvety leaves
  • Thrives in full sun, dry to moderate soils, and low-maintenance garden settings
  • Suitable for containers, cottage gardens, herb gardens, and naturalized areas
  • Vibrant yellow flowers attract bees, butterflies, and other beneficial pollinators

Why Customers Love Mullein:

  • A classic herbal plant with a long history of traditional use
  • Striking vertical growth adds height and texture to garden beds
  • Tolerates heat, drought, and poor soils once established
  • Supports biodiversity by drawing pollinators throughout the blooming season

How to Grow:
Sow mullein seeds in early spring after the danger of frost has passed, or start indoors 6–8 weeks before planting out. Surface-sow the seeds, as they need light to germinate, and keep the soil lightly moist. Plant in full sun with well-drained soil. In its first year, mullein forms a rosette of large fuzzy leaves; in the second year, it sends up tall flowering stalks that bloom throughout summer.

Harvest & Use:
Once mature, leaves may be gathered during the growing season and dried for traditional herbal preparations. Flower spikes can be left standing to support pollinators or allowed to dry naturally for seed collection.

Learn More in our Survival Garden Training Blog
- Mullein: An Ancient Therapeutic Herb

Net Wt. 400MG

Heirloom Herb Seeds

All of our seeds are open-pollinated, non-GMO, heirloom varieties with tested germination rates

Specifications

  • Botanical Name
    Verbascum thapsus
  • Seasonality
    Biennial
  • Planting Zones
    4-8
  • Light
    Full Sun
  • Soil Temp for Germination
    60-70 Degrees F
  • Germination Time
    14-30 Days
  • Planting Depth
    0 Inches (Surface)
  • Plant Size
    2-7 Feet Tall, 24-36 Inch Spread
  • Days to Bloom or Harvest
    140 Days
  • Growing Instructions
    Sow anytime from late fall to early spring. For spring sowing, a 4-week cold stratification improves germination. Start indoors and transplant after the last frost. Choose a sunny location with well-drained soil. Space plants 12-18" apart.
  • Seed Saving Instructions
    Mullein is a biennial, flowering in the second year. Allow flowers to mature and collect seeds once they're brown. Dry thoroughly, separate from plant debris, then label and store seeds for up to 3 years.
  • Seed Count (approximate)
    2880 to 3500

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Why Choose Survival Garden Seeds

At Survival Garden Seeds, we believe in preparing today for tomorrow’s peace of mind. That’s why we offer only heirloom, non-GMO, and untreated seeds you can trust to nourish your family and support a sustainable lifestyle. As a family-owned American company, we’re committed to providing seeds that grow strong and true—helping you cultivate health, resilience, and beauty in your garden.

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Frequently Asked Questions

Are your seeds heirloom and open-pollinated?

Yes. All of our seeds are heirloom, open-pollinated varieties, which means they can produce seeds that grow true to type and are suitable for seed saving.

You can learn more about open-pollinated, heirloom, and non-GMO seeds in our Survival Garden Training blog.

Are your seeds non-GMO?

Yes. All Survival Garden Seeds are 100% non-GMO. Our seeds are open-pollinated heirloom varieties and are never genetically modified.

Are your seeds treated with chemicals?

No. Our seeds are completely untreated and free from chemical coatings, fungicides, or synthetic treatments.

How do I know my seeds are fresh?

Every seed packet includes a packed-for date, and we germination-test each seed lot before packaging to ensure high viability.

What is the shelf life of your seeds?

Most seeds remain viable for 3 to 5 years or longer when stored properly in a cool, dry place away from light and moisture.

In what USDA hardiness zones can I grow your seeds?

Our varieties are selected to grow successfully across USDA Hardiness Zones 3 through 10. Each packet includes variety-specific planting guidance and germination tips.