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🌻 Elevate your garden game with towering sunflowers that everyone will talk about!
Sow Right Seeds’ Mammoth Sunflower Seeds grow giant 8-12 ft tall sunflowers with radiant yellow blooms that attract pollinators and birds. These non-GMO heirloom seeds germinate quickly in full sun and are sustainably produced by a solar-powered operation. Perfect for gardeners seeking a stunning, eco-friendly, and productive outdoor addition.






| ASIN | B07XBNFX7D |
| Best Sellers Rank | #805 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #24 in Flower Plants & Seeds |
| Brand | Sow Right Seeds |
| Brand Name | Sow Right Seeds |
| Color | Grey |
| Customer Reviews | 4.4 out of 5 stars 6,283 Reviews |
| Indoor Outdoor Usage | Outdoor |
| Indoor/Outdoor Usage | Outdoor |
| Item Weight | 0.32 Ounces |
| Material Feature | GMO Free, Heirloom |
| Material Features | GMO Free, Heirloom |
| Moisture Needs | Moderate Watering |
| Number of Pieces | 70 |
| Plant or Animal Product Type | sunflower seeds |
| Soil Type | Loam Soil |
| Sunlight Exposure | Full Sun |
| UPC | 691324789889 |
| USDA Hardiness Zone | 3 |
| Unit Count | 1.0 Count |
S**I
big sunflowers
good seeds, grow quickly. large seeds so easy for a toddler to plant!
C**.
Towering Giants Perfect for Pollinators - A Showstopper in the Garden!
As an avid gardener, I'm always on the lookout for unique and beautiful plants to add to my garden. When I discovered Mammoth Sunflower Seeds, I knew I had found something special. These sunflowers not only provide a stunning visual impact but also serve an important ecological purpose in attracting pollinators. Upon receiving the seeds, I was pleased with the packaging and the clear planting instructions provided. I eagerly sowed the seeds in my garden, and within just a few days, the seedlings had sprouted. I was impressed by the vigor and health of the young plants. As the weeks went by, these Mammoth Sunflowers began to live up to their name. The stalks grew tall and strong, ultimately reaching heights of up to 12 feet! The gigantic flower heads, with their radiant golden-yellow petals and deep chocolate-brown centers, became the focal point of my garden. The sheer novelty of the towering plants brought a sense of awe and amazement to all who saw them. But it wasn't just the height of these sunflowers that made them a standout addition to my garden. I quickly noticed the increased activity of pollinators, including bees and butterflies, as they eagerly flocked to the sunflowers. This was a clear testament to the fact that Mammoth Sunflowers are not only beautiful but also extremely beneficial for the environment. In addition to their visual appeal and support for pollinators, these sunflowers produced an abundance of seeds that could be harvested for snacking or replanting the following year. This made the Mammoth Sunflower not only a stunning garden addition but a practical one as well. In conclusion, these Mammoth Sunflower Seeds exceeded my expectations in every way. From their impressive growth and striking appearance to their role in supporting pollinators, these sunflowers have become a permanent fixture in my garden. I highly recommend them to anyone looking to add a truly remarkable plant to their outdoor space. Happy gardening!
S**N
A good deal
I received a packet of 132 seeds. Many are underdeveloped seeds (harvested prior to seem maturity); however, the advertisement said 70 to 80 seeds. I believe it's a fair effort.
S**I
Big flowers
Fair results with seeds. Some flowers had awesome size and plenty of seeds. Not all flowers were large as advertised. Would try again. The ones that were large were awesome.
Z**C
Looking forward to many years of sunflowers.
Seeds were dry, firm and healthy. Nearly 100% germination rate after soaking them in water for 12 hour, then sewing directly to the ground.
G**N
Seeds germinated well.
Most of the seeds germinate, but only 1 in 3 grows more than 4 feet tall (in large pots with plenty of sunlight). A few have grown to six feet.
D**E
Never came up
I was so disappointed that I never got a single plant out of this package of seeds. Purchased in 2025. None of them came up.
C**6
Worth a try..
I planted four in a pot & only 2 grew, so far their doing great with 4 leaves so I’ll transplant them soon. I didn’t soak the seeds or anything just planted them in a rich compost soil. Maybe I’ll try soaking next time to see if that makes a difference. Otherwise you get plenty of seeds & rather they all germinate or not I can’t say.
Trustpilot
2 months ago
4 days ago