T

Thresh Seed Co.

Visit store

Thresh Seed Co.

4.5 (123)

Black Mammoth Sunflower

Name: Thresh Seed Co. Black Mammoth Sunflower - Black Mammoth Sunflower
Brand: Thresh Seed Co.
SKU: 44070692389113
Price: 3.99 USD
Availability: InStock
Rating: 5 (7 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$3.99

Quantity

Color

Black

Quantity

Black Mammoth is an heirloom sunflower variety that is well-deserving of its name. Towering 8 to 10-foot-tall plants produce giant yellow flowers reaching up to 12 inches in diameter. At maturity, the colossal heads are loaded with hundre...

Reviews

5.0

7 ratings

Fast delivery

I have not planted the seeds yet, but the delivery was fast. I am going to plant it for the fall crop, and will let you know how it goes.

Julia · August 22, 2021

Great germination. Can’t wait to see fully grown.

Seth · June 16, 2021

Black Mammoth Sunflowers

I'm in SW Pa, pre-ordered for next year due to gestation period. But grew one in my home with a heat lamp, it grew huge!! Every seed looks healthy and can't wait to plant multiple next year outdoors where I believe they will prosper better with mother nature!! Highly recommended

Elaine · November 3, 2020