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Russian Mammoth Sunflower Seeds

SKU: AM015946
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No longer available this season.
Who doesn’t love the huge, grand statement that Sunflowers bring to the late season garden? Russian Mammoth grows to be up to 14 ft tall, delighting with huge, classic yellow blooms that can grow to be 12-14” across. This giant beauty makes for a spectacular growing screen or background for any garden or meadow. Open-pollinated, Russian Mammoth is easy to grow and attracts a variety of pollinators to the garden. All of the seed we handle at American Meadows is non-GMO, neonicotinoid-free and guaranteed to grow. Annual.
key features
Botanical Name
Helianthus annuus 'Russian Mammoth'
Native, Bee Friendly, Attracts Butterflies, Attracts Hummingbirds, Attracts Birds, Easy To Grow, Cut Flowers, Mass Plantings
Growing Zones
Zone 1, Zone 2, Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10
Seed Life Cycle
Light Requirements
Full Sun, Half Sun / Half Shade
Soil Moisture
Dry, Average, Moist / Wet
Mature Height
144-180" tall (12-15 feet)
Bloom Time


"Russian Mammoth" is a true garden giant, growing up to 14 ft. The flowers, which range from 12 to 14" across are lovely, with lush golden petals and centers that are not so filled with seeds that they topple over. This one is a giant beauty, and makes a spectacular, fast-growing screen or background for your garden.