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Quantity
1
Truly a mammoth! Mammoth Grey Stripe sunflower produces colossal ten to twelve-foot-tall stalks topped by gigantic heads reaching up to 12 inches in diameter. Sturdy stems are inviting of a climb, but be warned, they're a bit prickly. L...
Reviews
4.8
6 ratings
5
4
3
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1
Mostly germinated
I would say I have had about 85% germination. Some shot right up, some took a little longer, and some never showed up. They are all planted in the same conditions. Luckily 25 seeds is more than what I need so I can fill in with other seeds for the no shows
S
Sharla · May 21, 2025
Germinates fast!
Came in great packaging and germinated fast. Still waiting for them to get big as were just planted
L
L.D. · April 28, 2022
So Far, Great!
These Mammoth sunflower seeds have sprouted indoors, and are about 2 weeks along. The plants are approximately 9" tall and should be ready to transplant in another week or so. I can hardly wait! This is one of my very favorite varieties of sunflowers. Two thumbs up!