- Planting & Care
- Useful Information
- Shipping Information
Sunflower - Russian Mammoth - Helianthus annuus
Annual Open Pollinated. Organically Grown. The Russian Mammoth Sunflower 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 can grow easily to 10 inches in diameter. Produces a single flower, with gold petals surrounding white and grey striped edible seeds.
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
Approx. Seeds Per Pack: 25
Peaceful Valley brand wildflower seeds are all non-GMO.
Buy with confidence and plant the best!
- Good for Beginners
- Requires Staking
Shipping Weight: 0.02 lb
Dimensions: 4.5"L x 3.25"W x 0.1"H
Peaceful Valley Farm & Garden Supply brand vegetable seeds are guaranteed to germinate. Once the seeds have sprouted, please understand that Peaceful Valley cannot be held responsible for the many uncontrollable growing and climatic conditions that must be met to ensure the success of your crop(s).