Mammoth Russian Sunflower Seeds – Giant 12ft Sunflower (Helianthus annuus)
- Price
- $5
🌻 Grow a true garden giant with Mammoth Russian Sunflower seeds from Seattle Seed Company. These classic, towering sunflowers can reach up to 12 feet tall, making them a showstopping addition to any garden — and a favourite with kids, birds, and seed-snackers alike. Whether you're planting for the spectacle, the edible seeds, or simply to attract wildlife, this is one of the most rewarding sunflowers you can grow.
🌱 Features
- 🌻 Impressive Height: Plants can grow up to 12 feet tall, with thick, sturdy stalks that support oversized flower heads.
- 🌾 Single-Stem Variety: Produces one large, dramatic bloom per plant — ideal for cut flowers or seed harvesting.
- ⚡ Fast & Vigorous Grower: Establishes quickly and grows with confidence, even for beginner gardeners.
- 🐦 Edible Seeds: Perfect for harvesting your own snackable sunflower seeds or leaving the heads out for the birds.
- 📦 Approx. 20 Seeds per Packet: Each packet contains approximately 20 seeds (2 grams).
- 📅 Days to Maturity: Around 110 days from sowing to full bloom.
- 🏡 Locally Sourced: From Seattle Seed Company — a Washington-based seed brand you can trust.
💛 Benefits
- 🌿 A garden centrepiece: Towering sunflowers create instant visual impact and bring real joy to outdoor spaces, big or small.
- 🐦 Wildlife-friendly: The generous seed heads attract wild birds, supporting local ecosystems right in your backyard.
- 🧒 Great for growing with kids: Fast growth and dramatic size make this a brilliant seed for young gardeners — they'll love watching it shoot up.
- 🎁 A thoughtful gift: These seed packets make a lovely, sustainable gift for gardeners, nature lovers, or anyone who could do with a little sunshine in their life.
- 🌍 Eco-conscious choice: Simple, natural, and packaging-light — growing your own is one of the most sustainable things you can do.
📋 Product Specifications
- Variety: Mammoth Russian (Helianthus annuus)
- Packet Size: Approx. 20 seeds / 2 grams
- Days to Maturity: 110 days
- Mature Plant Height: Up to 12 feet
- Growth Habit: Single-stem
- Best Use: Edible seeds, bird feeding, garden display, cut flowers
- Vendor: Seattle Seed Company
- Origin: Washington, USA
🌻 Add Mammoth Russian Sunflower Seeds to your cart today and get ready to grow the tallest, most eye-catching sunflowers in the neighbourhood.
Why Closiist?
- Sustainability: Clozist is committed to eco-friendly practices. We offer a wide range of sustainable and upcycled products, reducing your environmental impact.
- Supporting Local Businesses: By shopping at Clozist, you're supporting US-based businesses and contributing to local economies.
- Unique and High-Quality Products: Clozist curates a collection of unique and high-quality products, often from smaller brands that you might not find elsewhere.
- Ethical Sourcing: Clozist prioritizes ethical sourcing and fair trade practices.
- Convenience: With free shipping on orders over $49 for members of our Reward Program, it's easy to shop online and have your products delivered to your doorstep.
- Impact: For every order we offset 7kgs of CO2 and rescue 2 plastic bottles from the Ocean. Check our impact here
Environmental Impact
Our efforts to reduce our CO2 emissions generated by the sending of your orders mean that today Clozist is Carbon Positive on its shipments.
With the help of Greenspark we voluntarily offset 7kg of CO2 and remove 2 plastic bottles from the oceans with each order at no extra cost to you.
Why 7kgs (15.43 lb)?
We took the average Carbon Emission of a 2lb package ground sent from NYC to LA and multiply that number by 4.
Why 2 bottles?
Millions of plastic bottles pollute our oceans every year, two standard bottles are a daily recommended water intake. We're committed to cleaning them up.
About Seattle Seed Company
Seattle Seed Company is a family-owned business founded in 2010 and based on Whidbey Island, Washington. Dedicated to sustainability, food security, and environmental stewardship, the company specializes in high-quality heirloom and non-GMO seeds sourced from small farms and seed cooperatives.
Their mission is to help families, schools, and communities grow healthy, nutritious food while promoting sustainable gardening practices and preserving the integrity of our food supply. Through their Safe Seed Pledge, Seattle Seed Company commits to not knowingly buying or selling genetically engineered seeds and supports agricultural practices that foster healthy soils, biodiversity, and resilient communities.
Beyond providing seeds and gardening resources, Seattle Seed Company actively collaborates with schools, nonprofits, and community organizations on educational, fundraising, and environmental initiatives. Their commitment to sustainability and community engagement makes them a valued partner for organizations seeking to inspire the next generation of gardeners and environmental stewards.
Shipping & Delivery
Orders are usually dispatched within 2-3 business days.
The shipping rate is calculated and displayed at checkout. Free shipping is available for orders over $49.00 for Shakers members of our reward program, and with no minimum, for Makers members (We can't offer free shipping when the lowest shipping cost exceeds $10).
Shipment confirmation and order tracking:
Once your order is fulfilled, you receive a tracking number to follow your package by email. Allow 24-48 hours for the carrier to update the tracking number in its system.
We might ship your order in more than 1 package. In that case, you receive a tracking number for each shipment.
We never guarantee a delivery date and all dates shown are estimates.
Your order might be delayed in case we experience a high volume of orders. If your order fulfillment is delayed, we will let you know by email asap. We may be able to assist you in case your order is delayed during transit.