Mammoth Grey Stripe Sunflower Seeds
Grow Mammoth Grey Stripe Sunflower (Helianthus annuus), a tall annual sunflower known for producing large flower heads and making a dramatic addition to sunny gardens.
This sunflower performs best in full sun and is well suited to garden borders, sunflower plantings, and spaces where its substantial mature height can become a focal point.
Botanical Name: Helianthus annuus
Plant Type: Annual Flower
Sun: Full Sun
Planting Depth: 1 inch
Spacing: 18–24 inches
Germination: 7–14 days
Maturity: 90–110 days
Mature Height: 8–12 feet
Grow Not By Chance combines quality seed with practical growing knowledge so you can understand what you're planting and what it takes to grow it.
Grow Mammoth Grey Stripe Sunflower (Helianthus annuus), a tall annual sunflower known for producing large flower heads and making a dramatic addition to sunny gardens.
This sunflower performs best in full sun and is well suited to garden borders, sunflower plantings, and spaces where its substantial mature height can become a focal point.
Botanical Name: Helianthus annuus
Plant Type: Annual Flower
Sun: Full Sun
Planting Depth: 1 inch
Spacing: 18–24 inches
Germination: 7–14 days
Maturity: 90–110 days
Mature Height: 8–12 feet
Grow Not By Chance combines quality seed with practical growing knowledge so you can understand what you're planting and what it takes to grow it.