Large Grey Striped Sunflower Seeds | OSC Seeds

Approx. 50 seeds/pkt (8-10 seeds/gram)

Also known as Mammoth Grey Stripe, this legendary heirloom is the definitive choice for gardeners aiming to grow a fall fair champion. These giants produce massive, single yellow blooms ranging from 25–35 cm in diameter, supported by sturdy, tree-trunk-like stems that can tower to 3 m or more in height. Beyond their impressive stature, these sunflowers are the best variety for producing large, meaty seeds perfect for roasting at home or providing a natural winter feast for local birds.

Quick Seed Details

• Product Code: 6140

• Type: Open Pollinated Annual Sunflower

• Flower Size: 25–35 cm (Giant)

• Plant Height: 3 m+

• Light Requirement: Full Sun

• Features: Massive seed production; edible seeds; a standout for children’s gardens and competitions.