Sunflower Mammoth
6 Reviews
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1 answered question
KWD 1.750
8g
90 - 110 days. Mammoth sunflower seeds grow one of the tallest, brightest, and most breathtaking flowers in the world!
Mammoth sunflower seeds grow an unbelievable 9 – 12' tall and world famous for their stunning 12” blooms. Mammoth sunflowers are one of the most resilient and fastest growing flowers and grow in as quickly as 80 days.
- Taxonomy: Helianthus annuus
- Seed Type: Annual
- Days to Maturity: 90 - 110 days
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Planting Depth: Plant 2 – 3 seeds ½” deep
- Plant Spacing: 18"
- Growth Habit: 108 – 144” tall bushy upright with 36 – 40” spread and huge 12” head
- Soil Preference: Organic, nutrient-rich, well-drained
- Light Preference: Full sun
- Color: Bright yellow sunburst petals with deep yellow-orange seeds