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Mammoth Russian Sunflower

3Reviews
SKU: 0143-SLDOUT
$3.95

Currently Unavailable

Item Details

One of the oldest and most popular sunflower varieties available. Towering 12' plants with huge heads supported by massive trunks. Use to attract pollinators, turn heads in the neighborhood, roast for eating, or feed wildlife throughout winter. Grey striped seed.


  • 90 days
  • Conventional
  • Annual
  • Huge heads supported by massive trunks
  • Attract pollinators
  • Plants grow 12 foot tall
  • Good for roast for eating or wildlife

Growing Instructions

Instructions - Sow seeds outdoors after last frost. Sunflowers prefer full sun to light shade and well-drained rich soil. Provide support for tall plants.

  • Direct Seed: 6" Apart
  • Direct Seed: 1/2" Deep
  • Germination: 10-14 Days
  • Rows Apart: 24-36"

Ratings & Reviews

3 reviews

  • 4 stars
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  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews

mammoth sunflower

by

my favorite sunflowers to grow. easy to grow and makes tons of sunflower seeds.

Awesome

by

received a pack with 8 in the our Iowa magazine and wow do these plants grow tall and strong. I just ordered a pack of 100 for $3.95 and can't wait to get some planted. You will not regret the purchase.

Nope

by

Maybe it's the climate, or maybe someone packaged the wrong seeds, because every other type of sunflower we grow does well, but these are topping out around 4ft. Thin growth no matter where we put them as well, flower is about 1 - 2in in the center, 4 - 5in diameter total with the petals, looks more like a big yellow daisy. Comparatively our black oil sunflowers that are spread around from our bird feeder are probably 100 times larger plants, literally 5ft wide, and 10 times larger flowers on each. These things germinate and kick off extremely quickly but that's about it. This is our second year with them but I wouldn't order them again. If it weren't for the seeds being obvious, I wouldn't even know these are sunflowers.