Large Grey Striped Sunflower

Large Grey Striped Sunflower is a classic, open-pollinated variety known for its impressive height, large flower heads, and abundant edible seeds. These sunflowers are a favourite for Canadian gardeners seeking dramatic garden accents, pollinator-friendly blooms, and a reliable source of tasty seeds for snacking or bird feed.

Key Features of Large Grey Striped Sunflower Seeds

• Produces tall plants, often reaching 180–300 cm (6–10 feet) in height
• Large, single flower heads up to 30 cm (12 inches) across
• Edible seeds with distinctive grey and white stripes—perfect for roasting, snacking, or feeding wildlife
• Open-pollinated seeds
• Attracts bees, butterflies, and birds
• Adaptable to a wide range of Canadian climates and soil types
• Suitable for garden beds, borders, and wildlife gardens
• Blooms from mid-summer to early fall

Planting and Growing Large Grey Striped Sunflowers

• Sow seeds directly outdoors after the last frost, or start indoors 2–3 weeks before transplanting
• Plant seeds 2–3 cm (1 inch) deep, spaced 30–45 cm (12–18 inches) apart
• Choose a sunny location with well-drained, fertile soil
• Water regularly to keep soil evenly moist, especially during dry spells
• Days to germination: 7–14 days; days to bloom: 70–90 days

Care Tips

• Mulch to retain moisture and suppress weeds
• Feed with a balanced organic fertilizer at planting and mid-season
• Stake tall plants if exposed to wind
• Monitor for pests such as birds, squirrels, and sunflower beetles

Harvesting & Storing

• Harvest seeds when flower heads turn brown and seeds are plump
• Cut heads and allow to dry before removing seeds
• Store seeds in a cool, dry place for snacking or planting next season

Frequently Asked Questions

• Do Large Grey Striped Sunflowers need full sun? Yes—at least 6 hours daily for best growth.
• When should I plant Large Grey Striped Sunflower seeds? Sow outdoors after the last frost or start indoors for an earlier display.
• Can I grow Large Grey Striped Sunflowers in containers? Yes—use large, deep containers and provide support for tall plants.