FREE: 10 seeds - Mammoth Gray Striped Sunflower

The listing, 10 seeds - Mammoth Gray Striped Sunflower has ended.

Mammoth Gray Stripe Sunflower

The standard giant variety that produces delicious seeds. The mammoth plants produce heads that average 12 inches across.

A stately garden plant and yield a whopper crop of seeds! High oil content makes for great roasted flavor. Grows 9-12ft. tall. 100 DAYS.

Zones: 3 - 9.
Height: 9 - 12 feet.
Shade Requirement: Full Sun.
Germination: 10 - 14 days at 68 - 86 degrees F.
Height: 9 - 12 feet.
Spacing: 2 - 4 feet.
Depth: 1 - 1 1/2 inches.
Spread: 15 - 24 inches.
Sun/Shade: Full Sun.
Color: Orange-yellow.
Foliage: Very rough; to 1 foot long heart shaped green leaves.
Blooms: July - September.
Days To Maturity: 100 days.
Form: Annual.
Soil Requirements: Light, well-drained, dry soil.
Growth Rate: Medium growth rate.
Size: 8 - 14 inch flowers.

Will do well in poor soil. Tolerates heat and dry conditions. Average head size is 10 - 15 inches, but have reached 20 inches.

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