Salt N' Roast, Mammoth Sunflower Seeds (Helianthus annuus)

Packet of 60 Seeds


Single Packet of 60 Seeds

Grow a garden filled with Salt N’ Roast, Mammoth Sunflowers from freshly harvested Helianthus annuus flower seeds. This mammoth sunflower is a hybrid variety that offers delicious, plump, sunflower seeds. The huge, mammoth sunflower heads grow to a massive size and are surrounded by bright yellow petals. The plants themselves reach a mature height of 4 to 6 feet tall. It is best to space these sunflowers about 2 to 3 feet apart, allowing them to reach their full potential.

Grown as an annual flowering plant, Salt N’ Roast, Mammoth Sunflower will grow quickly, bloom profusely and later die with the first killing frost. Sunflowers are best grown as a border plant, along fences, or in masses. For a gorgeous blend of colors, browse our large selection of Sunflowers from our Sunflower category.

Sowing The Seed

Sunflowers are not particularly fond of being transplanted, but if started indoors, sow in peat pots, 6 to 8 weeks prior to the last frost. Sow at a depth of 1” under topsoil. Transplant entire pots into the garden, or direct sow when the weather is warm and all danger of frost has passed. Stakes may be necessary to support your Sunflowers, only until the stems become stronger enough to stand on their own.

Growing Conditions

Sunflowers grow long taproots and may rot if the roots become waterlogged. It is recommended to check your sowing area for hard, compacted soil prior to sowing. Renew any hard, compacted soil with a mixture of compost. Sunflowers will enjoy an area of full sunlight for the majority of the day and should be watered daily so that the soil is kept moist until germination has occurred.

Germination & Growth

Your sunflower seeds will begin to germinate within 7 to 10 days after sowing. Plants will grow to a mature height of 4 to 6 feet tall. Space your seeds about 18 to 24 inches apart from one another. Salt N’ Roast, Mammoth Sunflower produces beautiful yellow blooms with huge centers, offering hundreds of plump, delicious Sunflower seeds to roast and enjoy.

Common Questions

Question: Are your seeds GMO?
Answer: Absolutely not! At Seed Needs, we have a strong stance against GMO based seed products. We promise to NEVER knowingly carry, or ship GMO based seed products.

Question: Are your seeds orgnic? Or do you offer organic seeds?
Answer: At this time we do not offer certified organic seed varieties. Although some of the seeds in our shop may be from organic suppliers, we do not have the rights label them as such.

Question: Are your seeds Heirloom?
Answer: Yes, we carry a diverse selection of heirloom seeds that are sourced from professional growers that are located all over the globe. A small selection of varieties are Hybrids, and are labeled as such on the product listings.

Question: Are you located within the United States?
Answer: Yes, we store and ship all of our seeds from New Baltimore, Michigan.

Question: Do you ship out of the USA?
Answer: At this time we only ship within the United States and to Canada.


You may be interested in our article "What are Hybrids, GMO's & Heirlooms?"

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