Mammoth Grey-Stripe Sunflower Seeds – Bulk Helianthus annuus, Non-GMO Heirloom
Sale price
$12.45
Regular price
$18.68
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Mammoth Grey-Stripe Sunflower Seeds – Bulk Helianthus annuus, Non-GMO Heirloom
Sale price
$12.45
Regular price
$18.68
About This Plant
Mammoth Grey-Stripe Sunflower (Helianthus annuus) is an heirloom, non-GMO sunflower variety known for its tall, upright habit and striking grey-striped seeds. Ideal for creating dramatic garden displays, attracting pollinators, and serving as natural privacy screens or borders. Plants typically reach tall growth, making a bold statement in any landscape.
What You Will Receive
Bulk quantity of Mammoth Grey-Stripe sunflower seeds for extensive planting. Seeds are packed for freshness and viability.
Growing Information
Sunlight: Full sun (6-8 hours direct sunlight daily)
Watering: Moderate; allow soil to dry between waterings
Soil: Well-draining, fertile soil; pH 6.0 to 7.5
Hardiness Zones: 3 to 10
Growth Habit: Tall, upright growth reaching heights of 10-12 feet