Top 10 Mammoth Sunflower Seeds for Planting – Flower Plants & Seeds

As an Amazon Associate I earn from qualifying purchases.

1. Raw Earth Colors


Sunflower Seeds for Planting, to Plant Mammoth Sunflower Seeds, Packet of About 100 Flower Seeds!

Raw Earth Colors #ad - Check out our other seeds like dwarf or mix. About 100 premium giant sunflower seeds to plant very tall sunflowers in your garden that can reach a growing height of eight to twelve feet! Mammoth rare flower seeds for planting outdoors to grow large sunflowers with heads of twelve to twenty four inches! High germination rate of 80% or more, non-gmo mammoth russian grey stripe sunflower seeds! Great flower seeds for planting baby shower favors. Wedding favors or Bridal shower gifts. By raw Earth Colors. Product of the u. S. A.
BrandRaw Earth Colors #ad
ManufacturerAmazing Gifts Direct LLC #ad

2. Burpee


Burpee Mammoth Russian Sunflower Seeds 200 seeds

Burpee #ad - Plant height is 108". Each packet contains 200 seeds. Beautiful plants and everything else you need to grow the garden of your dreams from America’s most trusted seed company.

Blooms are 12". Sow outdoors 4 weeks after the average last frost date and have blooms in 85 days. Sunlight exposure = full-sun. Get your seeds off to a great start with a Burpee Seed Starting Kit. Huge heads are ideal for competition at fairs. Annual for all growing zones from 1-11. Burpee, the gardener’s best friend since 1876. No gmos, ever. Find over 1000 burpee vegetable, herb, and flower seeds on Amazon. Plant spread is 36".
BrandBurpee #ad
ManufacturerBurpee #ad
Height4.5 Inches
Length3.25 Inches
Width0.06 Inches
Part Number61119A

3. David's Garden Seeds


Heirloom Seeds, David's Garden Seeds Sunflower Tall Single Stem Mammoth Grey Stripe SL5193 Yellow 50 Non-GMO

David's Garden Seeds #ad - Very large head--12 to 24 inches in width. Grows to a height of 8 to 12 feet. Seeds are non-gmo, easy to grow and hand packed by David's Garden Seeds in the United States of America. Blooms in about 110 days. Germination rate about 70% or better.
BrandDavid's Garden Seeds #ad
ManufacturerDavid's Garden Seeds #ad
Height0.32 Inches
Length6 Inches
Width4 Inches
Part Number5193

4. CZ Grain


Skyscraper Sunflower Seeds for Planting | 20 Seeds | Rare, Exotic Garden Seeds | Huge 15-20 feet Tall with Giant Sunflowers

CZ Grain #ad - 20 seeds of the Skyscraper Sunflower. Huge - 15-20 feet tall and giant 18 inch flower. Great for Bees and Butterflies. 20 rare garden Flower Seeds. People give these exotic plants a second look.
BrandCZ Grain #ad
ManufacturerCZ Grain #ad

5. Seed Needs


Sunflower Crazy Mixture 15+ Varieties Helianthus annuus Non-GMO Seeds by Seed Needs, Bulk Package of 1,000+ Seeds

Seed Needs #ad - Grown as an annual flowering plant, along fences, bloom profusely and later die with the first killing frost. All sunflower seeds sold by seed needs are non-gmo based seed products and are intended for the current & the following growing season. It consists of 10+ sunflowers, lemon queen, Velvet Queen, including customer favorites such as: Autumn Beauty, Red Sun, Evening Colors and more.

Intended for the current and the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity. Quality sunflower seeds packaged by seed needs. Packets are 4" wide by 4. 675" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse.

Sunflowers are best sown outdoors as a border plant, Sunflowers will grow quickly, or in fields by the masses. Crazy mixture is a combination of our most popular sunflower varieties. This particular mixture of seeds will produce flowering plants that grow to a varying height of 1 foot tall to over 7 feet tall, in colors of red, yellow & orange and will even produce bi-colored blooms. They will bloom throughout the summer months and seeds can be collected at the end of the season.
BrandSeed Needs #ad
ManufacturerSeed Needs #ad

6. Ohio Heirloom Seeds


50+ Sunflower Seeds- Russian Mammoth- Heirloom- Helianthus- Organically Grown

Ohio Heirloom Seeds #ad - Pay only $1. 69 shipping per Order! Shipping is free on all additional seed packages purchased with this item, all varieties, any quantity.
BrandOhio Heirloom Seeds #ad
ManufacturerOhio Heirloom Seeds #ad

7. Gaea's Blessing


Sunflower Seeds 50 Seeds Mammoth Grey Stripe Non-GMO Heirloom 90% Germination Rate, Gaea's Blessing Seeds

Gaea's Blessing #ad - Gaea's blessing seeds are guaranteed to grow within 60 days of purchase! Gaea’s blessing is based in illinois, usa. Helianthus annus - Non-GMO, Open-Pollinated.

As adopters of the safe seed Pledge, and above all, we do not consciously buy or sell seeds that have been genetically modified. Mammoth grey stripe’s huge blooms grow to 12” across atop stems that grow to be 8-12 feet tall! The massive seed heads are great for harvesting and roasting for eating or leaving in place to feed birds. We are committed to promoting sustainable growing methods, to protect the biodiversity of our planet, to do our best to ensure the wellness of the environment, to ensure your satisfaction.
BrandGaea's Blessing #ad
ManufacturerGaea's Blessing #ad
Height0.25 Inches
Length5.5 Inches
Width3.5 Inches

8. MySeeds.Co - Flower Seeds by the LB


9-12 Feet Tall Extended Bloom, 1 lb 4,700+ Seeds Mammoth Grey Stripe Sunflower Helianthus annuus, Non-GMO Seeds by MySeeds.Co 1 lb Grey Stripe Sunflower

MySeeds.Co - Flower Seeds by the LB #ad - Germination rate about 80% or better. Helianthus annuus, 9 - 12 Feet Tall Extended Bloom. Seeds are non-GMO and hand packed. This order = 1 lb 4, 700+ seeds ~!! mammoth gray - grey Stripe HUGE Sunflower Seeds.
BrandMySeeds.Co - Flower Seeds by the LB #ad

9. Isla's Garden Seeds


Non GMO Seeds, Grey Stripe Mammoth Sunflower Flower Seeds, 50 Heirloom Seeds Per Packet

Isla's Garden Seeds #ad - Sunflowers should be sown directly outdoors, and it's a big one! Reaching 8 to 12 feet tall, since their long roots need space to develop and dislike being disturbed. Grey stripe mammoth sunflower is a fantastic addition to your home flower Garden! Win a contest for the biggest Sunflower in town! Summer Height: 8-12 feet Spacing: 18-24 inches Light: Full Sun Soil Moisture: Medium.

This heirloom sunflower is from the late 1800's, the flower heads measure 10 to 15 inches across. For more of isla's garden seed products, enter isla's garden seeds into your search bar on Amazon! Please submit a 5 star review to help the continued success of our Garden Seed Company! Please post pictures of your plants and review us! These are high quality seeds, be sure to fully research proper germination instructions for optimal germination rates.

Common names: mammoth grey stripe Latin Name: Helianthus annuus Species Origin: US Native Wildflower. Hardiness zones: 1, 5, 4, 9, 11, 6, 10, 2, 8, 3, 7, 12: Germination Ease: No Stratification.
BrandIsla's Garden Seeds #ad
ManufacturerIsla's Garden Seeds Company (Total Quality) #ad
Height2 Inches
Length3 Inches
Weight0.02 Pounds
Width0.25 Inches

10. NatureZ Edge


Get More Sunflower Seeds to Plant, Non-GMO, NatureZ Edge 1300+ Sunflower Seeds Variety Pack, Sunflower Seeds for Planting

NatureZ Edge #ad - Our seed pack is 100% pure 2 oz 1300+ seeds of Non-GMO seeds giving you the most value for your money. Our variety pack is designed to give you sunflowers from 18" tall all the way up to 7 feet tall.

These sunflowers will bloom throughout the summer with yellow, orange, and red colors. Seeds are easy to collect and save at the end of the season for next year. Hand packaged by a veteran owned small family business: If for any reason you are unhappy with your purchase, contact us and we will make it right. Includes the following flower seeds: autumn Beauty, Velvet Queen, Lemon Queen, Mexican Sunflower, Dwarf Sungold, Grey Stripe, mammoth sunflower seeds and more!.

If you want customer service where you will talk directly to the owner for any concerns, we are the company for you! Don't be fooled- many other sunflower seed mixes give you a very small quantity. These sunflowers are annual seeds designed to be sown directly outdoors.
BrandNatureZ Edge #ad
ManufacturerNatureZ Edge #ad