Top 6 Mammoth Sunflower Seeds – Flower Plants & Seeds

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1. Sow Right Seeds

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Mammoth Sunflower Seeds to Plant and Grow Giant Sunflowers in Your Garden; Non-GMO Heirloom Seeds; Full Instructions for Planting; Wonderful Gardening Gifts 1., Sow Right Seeds

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Sow Right Seeds #ad - Safe seed - sow right seeds has taken the safe Seed Pledge and sells only Non-GMO heirloom seeds that are safe for you, your family, and your garden. Harvest and roast your own sunflower seeds. Easy to grow -- instructions included on each packet with additional growing tips in the “How To” section of our website.

The seeds are open pollinated and can be saved to plant year after year. Towards the end of the season, birds also love to come and eat the dried seeds. Beautiful - full color packet/package of huge mammoth sunflower Helianthus annuus seeds. Fun - kids also love these giant flowers, and sunflower seeds can be an educational aid or part of a STEM project kit.

Minimum of 8g per packet. Plus we are available to answer your questions as well. These seeds grow crazy tall beautiful sunflowers with height of 8-12 ft. Pollinator and bird friendly - bees love the nectar in sunflowers and will travel around helping pollinate your garden. If these seeds don’t germinate, we will happily make it “Right” for you.
BrandSow Right Seeds #ad
ManufacturerRight Hardware Co. #ad

2. Hill Creek Seeds

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Flowers for Garden Planting -100 Seeds by Hill Creek Seeds, Grey Stripe Mammoth Sunflower Seeds

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Hill Creek Seeds #ad - Annual sunflower - 84% germ - 110 days Until Bloom - Hardy Zones 1-10100 seeds per packet - Hill Creek Seeds USA. Huge blooms, attracts songbirds and Children. Summer flowers - can reach up to 12 feet tall, may produce up to 10 to 12 inch flowers. Grey stripe mammoth Seeds HelIanthus Annuus Non-GMO. Easy to grow, drought tolerant.
BrandHill Creek Seeds #ad
ManufacturerHill Creek Seeds #ad
Height2.5 Inches
Length3.5 Inches
Width0.02 Inches

3. 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 - Very large head--12 to 24 inches in width. 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. 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
Model5193

4. Seed Needs

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

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Seed Needs #ad - All sunflower seeds sold by seed needs are non-gmo based seed products and are intended for the current & 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.

They will bloom throughout the summer months and seeds can be collected at the end of the season. Crazy mixture is a combination of our most popular sunflower varieties. Quality sunflower seeds packaged by seed needs. 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. Intended for the current and the following growing season. 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. Grown as an annual flowering plant, sunflowers will grow quickly, along fences, bloom profusely and later die with the first killing frost. Sunflowers are best sown outdoors as a border plant, or in fields by the masses. It consists of 10+ sunflowers, lemon queen, Velvet Queen, including customer favorites such as: Autumn Beauty, Red Sun, Evening Colors and more.
BrandSeed Needs #ad
ManufacturerSeed Needs #ad

5. CZ Grain

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

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

6. Old Lady Renee

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Old Lady Renee: 30+ Sunflower, Mammoth Gray Seeds -for Growing-

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Old Lady Renee #ad - Seeds grow fast and can be planted all the way until the end of June! Hardiness zones 4-9 made in the USA, Buy Small Business. Basic growing Instructions Included. Can grow to be twelve feet tall! Native to north america, Non GMO and grown organically.
BrandOld Lady Renee #ad
ManufacturerOld Lady Renee #ad