Sunflower Mammoth Greystripe – Item #4441


Everyone loves this fast growing sunflower with enormous golden-yellow blossoms and edible seeds. Quickly grows to 8-10′ with minimal care. Very easy to grow. Great for a temporary hedge around the garden. Attracts pollinators. Annual.

SKU: 00000751 Categories: , ,

Additional information

Weight 15 g
Dimensions 0.25 × 4 × 4.875 in

Planting & Harvesting

Seed Depth: 1/2″ (13mm)

Plant Space: 12″ (30cm)

Thin Space: 18″ (46cm)

Sprouts In: 10-14 days

Select a location with full to part sun and average soil. May be started indoors four weeks before last frost date. Keep young plants evenly moist and well weeded. Sunflowers are heat and drought tolerant once established, but will grow shorter in harsh conditions.

Harvest seeds by hanging mature heads upside down in a cool dry area for a few weeks. The seeds will brush off the flower head when completely dry.

Additional Information

Botanical Name: Helianthus annuus

Height: 8-10′ (2-3m)

Blooms In: summer

Attributes: Heirloom. Gigantic flowers with edible seeds