Sunflower - Russian Mammoth - Helianthus annus
Annual Open Pollinated. Organically Grown. This variety is the result of Russian breeding efforts and returned to the US in 1880 then as now under the name 'Russian Mammoth'. This giant sunflower has bright gold flowers that can grow easily to 10" across. Produces a single flower, filled with grey and white striped edible seeds. Plant seed 6" apart and 1/2" deep after spring frost. Thin to 8"-12" when plants reach 2" in height.
Flowers: Edible seeds. Blooms late summer to fall
Attracts: Attracts bees and butterflies; leaves are favored by finches
Soil: Adaptable to various, moderately fertile soil types
Native: North America - Naturalized worldwide
USDA Zone: 3-10
Plant In: Spring
Planting Depth: 1/2"
Days to Germinate: 7-14 Days
Height At Maturity: 10'-15'
Sun/Shade Requirements: Full Sun
Water Needs: Moderate Water