Top 9 Mammoth Grey Stripe Sunflower Seeds – Flower Plants & Seeds

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1. 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 - Seeds are non-gmo, easy to grow and hand packed by David's Garden Seeds in the United States of America. Grows to a height of 8 to 12 feet. Very large head--12 to 24 inches in width. 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

2. Isla's Garden Seeds


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

Isla's Garden Seeds #ad - 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. This heirloom sunflower is from the late 1800's, and it's a big one! Reaching 8 to 12 feet tall, the flower heads measure 10 to 15 inches across. Hardiness zones: 1, 5, 7, 3, 9, 6, 11, 8, 10, 2, 4, 12: Germination Ease: No Stratification.

Sunflowers should be sown directly outdoors, 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.
BrandIsla's Garden Seeds #ad
ManufacturerIsla's Garden Seeds Company (Total Quality) #ad
Height2 Inches
Length3 Inches
Weight0.02 Pounds
Width0.25 Inches

3. David's Garden Seeds


David's Garden Seeds Sunflower Tall Single Stem Mammoth Grey Stripe 9917 Yellow Non-GMO, Heirloom 14 Ounce Package

David's Garden Seeds #ad - Germination rate about 70% or better. Blooms in about 110 days. Seeds are non-gmo, easy to grow and hand packed by David's Garden Seeds in the United States of America. Very large head--12 to 24 inches in width.
BrandDavid's Garden Seeds #ad
ManufacturerDavid's Garden Seeds #ad
Height1 Inches
Length8 Inches
Width5 Inches
Part Number9917

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

5. Raw Earth Colors


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

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

6. MySeeds.Co


EXTENDED BLOOMS, Zones 1-10, 1 oz 290+ Mammoth Gray Grey Stripe HUGE Sunflower, By MySeeds.Co 0290 Seeds, 9, Seed Seeds, 12 Feet Tall, 1 oz

MySeeds.Co #ad - Mammoth gray - grey stripe huge sunflower Seeds ~ 9- 12 Feet Tall Extended Bloom. Zones 1-10 other information hedge / Screen, Extended Blooms, Showy Flowers, Easy to Grow.

Sunflower seeds - mammoth gray stripe common name sunflower botanical name helianthus annuus Cycle Annual Color Yellow Height 96"-144"tall 8-12 feet Origin Native Germination Time 10-20 days depending on soil and weather conditions. Light requirements full sun, loamy soil, half sun / half shade soil moisture Dry, moist/wet soil, Mostly Sunny, Average, Clay Soil, Well Drained Will Tolerate Sandy Soil, moist/wet, Drought/Dry Soil Ideal Growing Region All regions of North America. Planting season Spring/ Fall Bloom Season Summer.
BrandMySeeds.Co #ad
ManufacturerMySeeds.Co #ad

7. CZ Grain


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

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

8. Dirt Goddess Super Seeds


Non GMO Bulk Mammoth Grey Stripe Sunflower Seeds- Helianthus annuus 1,500 Seeds 1/2 Lb

Dirt Goddess Super Seeds #ad - Growing practices: no pesticides No Herbicides No Fungicides No Synthetic Fertilizers. Non gmo, heirloom, open pollinated. Fortified with mycorrhizae, Superior, Beneficial Bacteria & Trichoderma for Easy, Organic Growing!. Non-gmo bulk mammoth Grey Stripe Sunflowers Seeds Helianthus annuus. 100% annual species; 100% Pure Seed, No Fillers. Attracts butterflies and hummingbirds. 96-144" tall 8-12 feet Beautiful as cut flowers.
BrandDirt Goddess Super Seeds #ad
ManufacturerDirt Goddess Super Seeds #ad

9. NatureZ Edge


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

NatureZ Edge #ad - 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.

Our variety pack is designed to give you sunflowers from 18" tall all the way up to 7 feet tall. Our seed pack is 100% pure 2 oz 1300+ seeds of Non-GMO seeds giving you the most value for your money. Includes the following flower seeds: autumn Beauty, Velvet Queen, Dwarf Sungold, Mexican Sunflower, Lemon Queen, Grey Stripe, mammoth sunflower seeds and more!. These sunflowers are annual seeds designed to be sown directly outdoors.

Seeds are easy to collect and save at the end of the season for next year. These sunflowers will bloom throughout the summer with yellow, orange, and red colors. 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.
BrandNatureZ Edge #ad
ManufacturerNatureZ Edge #ad