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1. Burpee

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Burpee Mammoth Russian Sunflower Seeds 200 seeds

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Burpee #ad - Find over 1000 burpee vegetable, herb, and flower seeds on Amazon. No gmos, ever. Huge heads are ideal for competition at fairs.

Sow outdoors 4 weeks after the average last frost date and have blooms in 85 days. Blooms are 12". Beautiful plants and everything else you need to grow the garden of your dreams from America’s most trusted seed company. Get your seeds off to a great start with a Burpee Seed Starting Kit. Plant spread is 36". Burpee, the gardener’s best friend since 1876. Each packet contains 200 seeds. Sunlight exposure = full-sun. Plant height is 108". Annual for all growing zones from 1-11.
BrandBurpee #ad
ManufacturerBurpee #ad
Height4.5 Inches
Length3.25 Inches
Width0.06 Inches
Part Number61119A
Model61119A

2. Ohio Heirloom Seeds

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

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

3. Oriza_Sativa

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Fresh Seeds Garden/Patio Oriza_Sativa US Seller, 100 Mammoth Russian Sunflower Seed

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Oriza_Sativa #ad - Compost or organic slow release fertilizer will increase seed production. Blooms mid to late summer. Sow 2 seeds per plant, 1" deep, about 3ft apart. Height 10 -15 ft x 3 ft wide. Keep moist. Flowers are yellow. Thin to single best seedling. Use scissors to cut out unwanted seedlings. Seeds are ready when flower nods. Germination 7-10 Days. Medium water. Annual. Spring, soil temp 70F+.
BrandOriza_Sativa #ad
ManufacturerMichaelBazak_Store #ad

4. astor_farm

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Mammoth Russian, ASF 20+ Seeds Organic Newly harvested, 7-10 Foot Tall 20 Seeds, Sunflower

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astor_farm #ad - Its blooms reach anywhere from 8 to 14 inches wide, each boasting a huge brown-black center stuffed with seeds. Not only are the seeds delicious, but the flowers are lovely, reaching up to 14 inches wide! Russian mammoth is an heirloom variety, and we are proud to make it available in Organic seed form.

Russian mammoth is the sunflower you mUST grow. If you love sunflower seeds fresh from the garden -- or if you'd like to attract the birds that feast on these delectable treats. This plant reaches 8 to 10 feet tall, just right for leaning against and over! a fence or wall, its huge yellow-petaled faces nodding cheerfully.
Brandastor_farm #ad
Manufacturerastor_farm #ad

5. Ohio Heirloom Seeds

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50+ Sunflower Seeds- Russian Mammoth- Heirloom- Helianthus

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Ohio Heirloom Seeds #ad - Pay only $1. 69 shipping per order! Grown in 2019 for the 2020 season. Shipping is free on all additional seed packages purchased with this item, all varieties, any quantity. 80% germination.
BrandOhio Heirloom Seeds #ad
ManufacturerOhio Heirloom Seeds #ad

6. Raw Earth Colors

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

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Raw Earth Colors #ad - Wedding favors or Bridal shower gifts. Check out our other seeds like dwarf or mix. Product of the u. S. A. 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. By raw Earth Colors.
BrandRaw Earth Colors #ad
ManufacturerAmazing Gifts Direct LLC #ad

7. David's Garden Seeds

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

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David's Garden Seeds #ad - Germination rate about 70% or better. 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. Grows to a height of 8 to 12 feet. Very large head--12 to 24 inches in width.
BrandDavid's Garden Seeds #ad
ManufacturerDavid's Garden Seeds #ad
Height0.32 Inches
Length6 Inches
Width4 Inches
Part Number5193
Model5193

8. COUNTRY CREEK ACRES GROWING IS IN OUR ROOTS

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Mammoth Grey Stripe 25+ Seeds Newly Harvested, 8-12 Foot Tall, Sunflower

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COUNTRY CREEK ACRES GROWING IS IN OUR ROOTS #ad - Large robust blooms. Easy to Plant and Grow. Saturated with color they practically glow. Classic mammoth grey Stripe Sunflower, a must have for every garden.
BrandCOUNTRY CREEK ACRES GROWING IS IN OUR ROOTS #ad
ManufacturerCountry Creek LLC #ad
Height4 Inches
Length4 Inches
Weight0.38 Pounds
Width6 Inches
Part NumberSUNFLOWER, MAMMOTH GREY STRIPE
ModelSUNFLOWER, MAMMOTH GREY STRIPE

9. CZ Grain

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

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